diff options
Diffstat (limited to 'includes/js/dojo/dnd')
| -rw-r--r-- | includes/js/dojo/dnd/Avatar.js | 82 | ||||
| -rw-r--r-- | includes/js/dojo/dnd/Container.js | 311 | ||||
| -rw-r--r-- | includes/js/dojo/dnd/Manager.js | 180 | ||||
| -rw-r--r-- | includes/js/dojo/dnd/Moveable.js | 130 | ||||
| -rw-r--r-- | includes/js/dojo/dnd/Mover.js | 84 | ||||
| -rw-r--r-- | includes/js/dojo/dnd/Selector.js | 244 | ||||
| -rw-r--r-- | includes/js/dojo/dnd/Source.js | 393 | ||||
| -rw-r--r-- | includes/js/dojo/dnd/TimedMoveable.js | 66 | ||||
| -rw-r--r-- | includes/js/dojo/dnd/autoscroll.js | 103 | ||||
| -rw-r--r-- | includes/js/dojo/dnd/common.js | 35 | ||||
| -rw-r--r-- | includes/js/dojo/dnd/move.js | 202 |
11 files changed, 1830 insertions, 0 deletions
diff --git a/includes/js/dojo/dnd/Avatar.js b/includes/js/dojo/dnd/Avatar.js new file mode 100644 index 0000000..33ccb07 --- /dev/null +++ b/includes/js/dojo/dnd/Avatar.js @@ -0,0 +1,82 @@ +if(!dojo._hasResource["dojo.dnd.Avatar"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojo.dnd.Avatar"] = true; +dojo.provide("dojo.dnd.Avatar"); + +dojo.require("dojo.dnd.common"); + +dojo.declare("dojo.dnd.Avatar", null, { + // summary: an object, which represents transferred DnD items visually + // manager: Object: a DnD manager object + + constructor: function(manager){ + this.manager = manager; + this.construct(); + }, + + // methods + construct: function(){ + // summary: a constructor function; + // it is separate so it can be (dynamically) overwritten in case of need + var a = dojo.doc.createElement("table"); + a.className = "dojoDndAvatar"; + a.style.position = "absolute"; + a.style.zIndex = 1999; + a.style.margin = "0px"; // to avoid dojo.marginBox() problems with table's margins + var b = dojo.doc.createElement("tbody"); + var tr = dojo.doc.createElement("tr"); + tr.className = "dojoDndAvatarHeader"; + var td = dojo.doc.createElement("td"); + td.innerHTML = this._generateText(); + tr.appendChild(td); + dojo.style(tr, "opacity", 0.9); + b.appendChild(tr); + var k = Math.min(5, this.manager.nodes.length); + var source = this.manager.source; + for(var i = 0; i < k; ++i){ + tr = dojo.doc.createElement("tr"); + tr.className = "dojoDndAvatarItem"; + td = dojo.doc.createElement("td"); + if(source.creator){ + // create an avatar representation of the node + node = source._normalizedCreator(source.getItem(this.manager.nodes[i].id).data, "avatar").node; + }else{ + // or just clone the node and hope it works + node = this.manager.nodes[i].cloneNode(true); + if(node.tagName.toLowerCase() == "tr"){ + // insert extra table nodes + var table = dojo.doc.createElement("table"), + tbody = dojo.doc.createElement("tbody"); + tbody.appendChild(node); + table.appendChild(tbody); + node = table; + } + } + node.id = ""; + td.appendChild(node); + tr.appendChild(td); + dojo.style(tr, "opacity", (9 - i) / 10); + b.appendChild(tr); + } + a.appendChild(b); + this.node = a; + }, + destroy: function(){ + // summary: a desctructor for the avatar, called to remove all references so it can be garbage-collected + dojo._destroyElement(this.node); + this.node = false; + }, + update: function(){ + // summary: updates the avatar to reflect the current DnD state + dojo[(this.manager.canDropFlag ? "add" : "remove") + "Class"](this.node, "dojoDndAvatarCanDrop"); + // replace text + dojo.query("tr.dojoDndAvatarHeader td").forEach(function(node){ + node.innerHTML = this._generateText(); + }, this); + }, + _generateText: function(){ + // summary: generates a proper text to reflect copying or moving of items + return this.manager.nodes.length.toString(); + } +}); + +} diff --git a/includes/js/dojo/dnd/Container.js b/includes/js/dojo/dnd/Container.js new file mode 100644 index 0000000..92b3211 --- /dev/null +++ b/includes/js/dojo/dnd/Container.js @@ -0,0 +1,311 @@ +if(!dojo._hasResource["dojo.dnd.Container"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojo.dnd.Container"] = true; +dojo.provide("dojo.dnd.Container"); + +dojo.require("dojo.dnd.common"); +dojo.require("dojo.parser"); + +/* + Container states: + "" - normal state + "Over" - mouse over a container + Container item states: + "" - normal state + "Over" - mouse over a container item +*/ + +dojo.declare("dojo.dnd.Container", null, { + // summary: a Container object, which knows when mouse hovers over it, + // and know over which element it hovers + + // object attributes (for markup) + skipForm: false, + + constructor: function(node, params){ + // summary: a constructor of the Container + // node: Node: node or node's id to build the container on + // params: Object: a dict of parameters, recognized parameters are: + // creator: Function: a creator function, which takes a data item, and returns an object like that: + // {node: newNode, data: usedData, type: arrayOfStrings} + // skipForm: Boolean: don't start the drag operation, if clicked on form elements + // _skipStartup: Boolean: skip startup(), which collects children, for deferred initialization + // (this is used in the markup mode) + this.node = dojo.byId(node); + if(!params){ params = {}; } + this.creator = params.creator || null; + this.skipForm = params.skipForm; + this.defaultCreator = dojo.dnd._defaultCreator(this.node); + + // class-specific variables + this.map = {}; + this.current = null; + + // states + this.containerState = ""; + dojo.addClass(this.node, "dojoDndContainer"); + + // mark up children + if(!(params && params._skipStartup)){ + this.startup(); + } + + // set up events + this.events = [ + dojo.connect(this.node, "onmouseover", this, "onMouseOver"), + dojo.connect(this.node, "onmouseout", this, "onMouseOut"), + // cancel text selection and text dragging + dojo.connect(this.node, "ondragstart", this, "onSelectStart"), + dojo.connect(this.node, "onselectstart", this, "onSelectStart") + ]; + }, + + // object attributes (for markup) + creator: function(){}, // creator function, dummy at the moment + + // abstract access to the map + getItem: function(/*String*/ key){ + // summary: returns a data item by its key (id) + return this.map[key]; // Object + }, + setItem: function(/*String*/ key, /*Object*/ data){ + // summary: associates a data item with its key (id) + this.map[key] = data; + }, + delItem: function(/*String*/ key){ + // summary: removes a data item from the map by its key (id) + delete this.map[key]; + }, + forInItems: function(/*Function*/ f, /*Object?*/ o){ + // summary: iterates over a data map skipping members, which + // are present in the empty object (IE and/or 3rd-party libraries). + o = o || dojo.global; + var m = this.map, e = dojo.dnd._empty; + for(var i in this.map){ + if(i in e){ continue; } + f.call(o, m[i], i, m); + } + }, + clearItems: function(){ + // summary: removes all data items from the map + this.map = {}; + }, + + // methods + getAllNodes: function(){ + // summary: returns a list (an array) of all valid child nodes + return dojo.query("> .dojoDndItem", this.parent); // NodeList + }, + insertNodes: function(data, before, anchor){ + // summary: inserts an array of new nodes before/after an anchor node + // data: Array: a list of data items, which should be processed by the creator function + // before: Boolean: insert before the anchor, if true, and after the anchor otherwise + // anchor: Node: the anchor node to be used as a point of insertion + if(!this.parent.firstChild){ + anchor = null; + }else if(before){ + if(!anchor){ + anchor = this.parent.firstChild; + } + }else{ + if(anchor){ + anchor = anchor.nextSibling; + } + } + if(anchor){ + for(var i = 0; i < data.length; ++i){ + var t = this._normalizedCreator(data[i]); + this.setItem(t.node.id, {data: t.data, type: t.type}); + this.parent.insertBefore(t.node, anchor); + } + }else{ + for(var i = 0; i < data.length; ++i){ + var t = this._normalizedCreator(data[i]); + this.setItem(t.node.id, {data: t.data, type: t.type}); + this.parent.appendChild(t.node); + } + } + return this; // self + }, + destroy: function(){ + // summary: prepares the object to be garbage-collected + dojo.forEach(this.events, dojo.disconnect); + this.clearItems(); + this.node = this.parent = this.current; + }, + + // markup methods + markupFactory: function(params, node){ + params._skipStartup = true; + return new dojo.dnd.Container(node, params); + }, + startup: function(){ + // summary: collects valid child items and populate the map + + // set up the real parent node + this.parent = this.node; + if(this.parent.tagName.toLowerCase() == "table"){ + var c = this.parent.getElementsByTagName("tbody"); + if(c && c.length){ this.parent = c[0]; } + } + + // process specially marked children + this.getAllNodes().forEach(function(node){ + if(!node.id){ node.id = dojo.dnd.getUniqueId(); } + var type = node.getAttribute("dndType"), + data = node.getAttribute("dndData"); + this.setItem(node.id, { + data: data ? data : node.innerHTML, + type: type ? type.split(/\s*,\s*/) : ["text"] + }); + }, this); + }, + + // mouse events + onMouseOver: function(e){ + // summary: event processor for onmouseover + // e: Event: mouse event + var n = e.relatedTarget; + while(n){ + if(n == this.node){ break; } + try{ + n = n.parentNode; + }catch(x){ + n = null; + } + } + if(!n){ + this._changeState("Container", "Over"); + this.onOverEvent(); + } + n = this._getChildByEvent(e); + if(this.current == n){ return; } + if(this.current){ this._removeItemClass(this.current, "Over"); } + if(n){ this._addItemClass(n, "Over"); } + this.current = n; + }, + onMouseOut: function(e){ + // summary: event processor for onmouseout + // e: Event: mouse event + for(var n = e.relatedTarget; n;){ + if(n == this.node){ return; } + try{ + n = n.parentNode; + }catch(x){ + n = null; + } + } + if(this.current){ + this._removeItemClass(this.current, "Over"); + this.current = null; + } + this._changeState("Container", ""); + this.onOutEvent(); + }, + onSelectStart: function(e){ + // summary: event processor for onselectevent and ondragevent + // e: Event: mouse event + if(!this.skipForm || !dojo.dnd.isFormElement(e)){ + dojo.stopEvent(e); + } + }, + + // utilities + onOverEvent: function(){ + // summary: this function is called once, when mouse is over our container + }, + onOutEvent: function(){ + // summary: this function is called once, when mouse is out of our container + }, + _changeState: function(type, newState){ + // summary: changes a named state to new state value + // type: String: a name of the state to change + // newState: String: new state + var prefix = "dojoDnd" + type; + var state = type.toLowerCase() + "State"; + //dojo.replaceClass(this.node, prefix + newState, prefix + this[state]); + dojo.removeClass(this.node, prefix + this[state]); + dojo.addClass(this.node, prefix + newState); + this[state] = newState; + }, + _addItemClass: function(node, type){ + // summary: adds a class with prefix "dojoDndItem" + // node: Node: a node + // type: String: a variable suffix for a class name + dojo.addClass(node, "dojoDndItem" + type); + }, + _removeItemClass: function(node, type){ + // summary: removes a class with prefix "dojoDndItem" + // node: Node: a node + // type: String: a variable suffix for a class name + dojo.removeClass(node, "dojoDndItem" + type); + }, + _getChildByEvent: function(e){ + // summary: gets a child, which is under the mouse at the moment, or null + // e: Event: a mouse event + var node = e.target; + if(node){ + for(var parent = node.parentNode; parent; node = parent, parent = node.parentNode){ + if(parent == this.parent && dojo.hasClass(node, "dojoDndItem")){ return node; } + } + } + return null; + }, + _normalizedCreator: function(item, hint){ + // summary: adds all necessary data to the output of the user-supplied creator function + var t = (this.creator ? this.creator : this.defaultCreator)(item, hint); + if(!dojo.isArray(t.type)){ t.type = ["text"]; } + if(!t.node.id){ t.node.id = dojo.dnd.getUniqueId(); } + dojo.addClass(t.node, "dojoDndItem"); + return t; + } +}); + +dojo.dnd._createNode = function(tag){ + // summary: returns a function, which creates an element of given tag + // (SPAN by default) and sets its innerHTML to given text + // tag: String: a tag name or empty for SPAN + if(!tag){ return dojo.dnd._createSpan; } + return function(text){ // Function + var n = dojo.doc.createElement(tag); + n.innerHTML = text; + return n; + }; +}; + +dojo.dnd._createTrTd = function(text){ + // summary: creates a TR/TD structure with given text as an innerHTML of TD + // text: String: a text for TD + var tr = dojo.doc.createElement("tr"); + var td = dojo.doc.createElement("td"); + td.innerHTML = text; + tr.appendChild(td); + return tr; // Node +}; + +dojo.dnd._createSpan = function(text){ + // summary: creates a SPAN element with given text as its innerHTML + // text: String: a text for SPAN + var n = dojo.doc.createElement("span"); + n.innerHTML = text; + return n; // Node +}; + +// dojo.dnd._defaultCreatorNodes: Object: a dicitionary, which maps container tag names to child tag names +dojo.dnd._defaultCreatorNodes = {ul: "li", ol: "li", div: "div", p: "div"}; + +dojo.dnd._defaultCreator = function(node){ + // summary: takes a container node, and returns an appropriate creator function + // node: Node: a container node + var tag = node.tagName.toLowerCase(); + var c = tag == "table" ? dojo.dnd._createTrTd : dojo.dnd._createNode(dojo.dnd._defaultCreatorNodes[tag]); + return function(item, hint){ // Function + var isObj = dojo.isObject(item) && item; + var data = (isObj && item.data) ? item.data : item; + var type = (isObj && item.type) ? item.type : ["text"]; + var t = String(data), n = (hint == "avatar" ? dojo.dnd._createSpan : c)(t); + n.id = dojo.dnd.getUniqueId(); + return {node: n, data: data, type: type}; + }; +}; + +} diff --git a/includes/js/dojo/dnd/Manager.js b/includes/js/dojo/dnd/Manager.js new file mode 100644 index 0000000..8044b42 --- /dev/null +++ b/includes/js/dojo/dnd/Manager.js @@ -0,0 +1,180 @@ +if(!dojo._hasResource["dojo.dnd.Manager"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojo.dnd.Manager"] = true; +dojo.provide("dojo.dnd.Manager"); + +dojo.require("dojo.dnd.common"); +dojo.require("dojo.dnd.autoscroll"); +dojo.require("dojo.dnd.Avatar"); + +dojo.declare("dojo.dnd.Manager", null, { + // summary: the manager of DnD operations (usually a singleton) + constructor: function(){ + this.avatar = null; + this.source = null; + this.nodes = []; + this.copy = true; + this.target = null; + this.canDropFlag = false; + this.events = []; + }, + + // avatar's offset from the mouse + OFFSET_X: 16, + OFFSET_Y: 16, + + // methods + overSource: function(source){ + // summary: called when a source detected a mouse-over conditiion + // source: Object: the reporter + if(this.avatar){ + this.target = (source && source.targetState != "Disabled") ? source : null; + this.avatar.update(); + } + dojo.publish("/dnd/source/over", [source]); + }, + outSource: function(source){ + // summary: called when a source detected a mouse-out conditiion + // source: Object: the reporter + if(this.avatar){ + if(this.target == source){ + this.target = null; + this.canDropFlag = false; + this.avatar.update(); + dojo.publish("/dnd/source/over", [null]); + } + }else{ + dojo.publish("/dnd/source/over", [null]); + } + }, + startDrag: function(source, nodes, copy){ + // summary: called to initiate the DnD operation + // source: Object: the source which provides items + // nodes: Array: the list of transferred items + // copy: Boolean: copy items, if true, move items otherwise + this.source = source; + this.nodes = nodes; + this.copy = Boolean(copy); // normalizing to true boolean + this.avatar = this.makeAvatar(); + dojo.body().appendChild(this.avatar.node); + dojo.publish("/dnd/start", [source, nodes, this.copy]); + this.events = [ + dojo.connect(dojo.doc, "onmousemove", this, "onMouseMove"), + dojo.connect(dojo.doc, "onmouseup", this, "onMouseUp"), + dojo.connect(dojo.doc, "onkeydown", this, "onKeyDown"), + dojo.connect(dojo.doc, "onkeyup", this, "onKeyUp") + ]; + var c = "dojoDnd" + (copy ? "Copy" : "Move"); + dojo.addClass(dojo.body(), c); + }, + canDrop: function(flag){ + // summary: called to notify if the current target can accept items + var canDropFlag = Boolean(this.target && flag); + if(this.canDropFlag != canDropFlag){ + this.canDropFlag = canDropFlag; + this.avatar.update(); + } + }, + stopDrag: function(){ + // summary: stop the DnD in progress + dojo.removeClass(dojo.body(), "dojoDndCopy"); + dojo.removeClass(dojo.body(), "dojoDndMove"); + dojo.forEach(this.events, dojo.disconnect); + this.events = []; + this.avatar.destroy(); + this.avatar = null; + this.source = null; + this.nodes = []; + }, + makeAvatar: function(){ + // summary: makes the avatar, it is separate to be overwritten dynamically, if needed + return new dojo.dnd.Avatar(this); + }, + updateAvatar: function(){ + // summary: updates the avatar, it is separate to be overwritten dynamically, if needed + this.avatar.update(); + }, + // mouse event processors + onMouseMove: function(e){ + // summary: event processor for onmousemove + // e: Event: mouse event + var a = this.avatar; + if(a){ + //dojo.dnd.autoScrollNodes(e); + dojo.dnd.autoScroll(e); + var s = a.node.style; + s.left = (e.pageX + this.OFFSET_X) + "px"; + s.top = (e.pageY + this.OFFSET_Y) + "px"; + var copy = Boolean(this.source.copyState(dojo.dnd.getCopyKeyState(e))); + if(this.copy != copy){ + this._setCopyStatus(copy); + } + } + }, + onMouseUp: function(e){ + // summary: event processor for onmouseup + // e: Event: mouse event + if(this.avatar && (!("mouseButton" in this.source) || this.source.mouseButton == e.button)){ + if(this.target && this.canDropFlag){ + var params = [this.source, this.nodes, Boolean(this.source.copyState(dojo.dnd.getCopyKeyState(e))), this.target]; + dojo.publish("/dnd/drop/before", params); + dojo.publish("/dnd/drop", params); + }else{ + dojo.publish("/dnd/cancel"); + } + this.stopDrag(); + } + }, + // keyboard event processors + onKeyDown: function(e){ + // summary: event processor for onkeydown: + // watching for CTRL for copy/move status, watching for ESCAPE to cancel the drag + // e: Event: keyboard event + if(this.avatar){ + switch(e.keyCode){ + case dojo.keys.CTRL: + var copy = Boolean(this.source.copyState(true)); + if(this.copy != copy){ + this._setCopyStatus(copy); + } + break; + case dojo.keys.ESCAPE: + dojo.publish("/dnd/cancel"); + this.stopDrag(); + break; + } + } + }, + onKeyUp: function(e){ + // summary: event processor for onkeyup, watching for CTRL for copy/move status + // e: Event: keyboard event + if(this.avatar && e.keyCode == dojo.keys.CTRL){ + var copy = Boolean(this.source.copyState(false)); + if(this.copy != copy){ + this._setCopyStatus(copy); + } + } + }, + // utilities + _setCopyStatus: function(copy){ + // summary: changes the copy status + // copy: Boolean: the copy status + this.copy = copy; + this.source._markDndStatus(this.copy); + this.updateAvatar(); + dojo.removeClass(dojo.body(), "dojoDnd" + (this.copy ? "Move" : "Copy")); + dojo.addClass(dojo.body(), "dojoDnd" + (this.copy ? "Copy" : "Move")); + } +}); + +// summary: the manager singleton variable, can be overwritten, if needed +dojo.dnd._manager = null; + +dojo.dnd.manager = function(){ + // summary: returns the current DnD manager, creates one if it is not created yet + if(!dojo.dnd._manager){ + dojo.dnd._manager = new dojo.dnd.Manager(); + } + return dojo.dnd._manager; // Object +}; + +} diff --git a/includes/js/dojo/dnd/Moveable.js b/includes/js/dojo/dnd/Moveable.js new file mode 100644 index 0000000..e9fd805 --- /dev/null +++ b/includes/js/dojo/dnd/Moveable.js @@ -0,0 +1,130 @@ +if(!dojo._hasResource["dojo.dnd.Moveable"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojo.dnd.Moveable"] = true; +dojo.provide("dojo.dnd.Moveable"); + +dojo.require("dojo.dnd.Mover"); + +dojo.declare("dojo.dnd.Moveable", null, { + // object attributes (for markup) + handle: "", + delay: 0, + skip: false, + + constructor: function(node, params){ + // summary: an object, which makes a node moveable + // node: Node: a node (or node's id) to be moved + // params: Object: an optional object with additional parameters; + // following parameters are recognized: + // handle: Node: a node (or node's id), which is used as a mouse handle + // if omitted, the node itself is used as a handle + // delay: Number: delay move by this number of pixels + // skip: Boolean: skip move of form elements + // mover: Object: a constructor of custom Mover + this.node = dojo.byId(node); + if(!params){ params = {}; } + this.handle = params.handle ? dojo.byId(params.handle) : null; + if(!this.handle){ this.handle = this.node; } + this.delay = params.delay > 0 ? params.delay : 0; + this.skip = params.skip; + this.mover = params.mover ? params.mover : dojo.dnd.Mover; + this.events = [ + dojo.connect(this.handle, "onmousedown", this, "onMouseDown"), + // cancel text selection and text dragging + dojo.connect(this.handle, "ondragstart", this, "onSelectStart"), + dojo.connect(this.handle, "onselectstart", this, "onSelectStart") + ]; + }, + + // markup methods + markupFactory: function(params, node){ + return new dojo.dnd.Moveable(node, params); + }, + + // methods + destroy: function(){ + // summary: stops watching for possible move, deletes all references, so the object can be garbage-collected + dojo.forEach(this.events, dojo.disconnect); + this.events = this.node = this.handle = null; + }, + + // mouse event processors + onMouseDown: function(e){ + // summary: event processor for onmousedown, creates a Mover for the node + // e: Event: mouse event + if(this.skip && dojo.dnd.isFormElement(e)){ return; } + if(this.delay){ + this.events.push(dojo.connect(this.handle, "onmousemove", this, "onMouseMove")); + this.events.push(dojo.connect(this.handle, "onmouseup", this, "onMouseUp")); + this._lastX = e.pageX; + this._lastY = e.pageY; + }else{ + new this.mover(this.node, e, this); + } + dojo.stopEvent(e); + }, + onMouseMove: function(e){ + // summary: event processor for onmousemove, used only for delayed drags + // e: Event: mouse event + if(Math.abs(e.pageX - this._lastX) > this.delay || Math.abs(e.pageY - this._lastY) > this.delay){ + this.onMouseUp(e); + new this.mover(this.node, e, this); + } + dojo.stopEvent(e); + }, + onMouseUp: function(e){ + // summary: event processor for onmouseup, used only for delayed delayed drags + // e: Event: mouse event + dojo.disconnect(this.events.pop()); + dojo.disconnect(this.events.pop()); + }, + onSelectStart: function(e){ + // summary: event processor for onselectevent and ondragevent + // e: Event: mouse event + if(!this.skip || !dojo.dnd.isFormElement(e)){ + dojo.stopEvent(e); + } + }, + + // local events + onMoveStart: function(/* dojo.dnd.Mover */ mover){ + // summary: called before every move operation + dojo.publish("/dnd/move/start", [mover]); + dojo.addClass(dojo.body(), "dojoMove"); + dojo.addClass(this.node, "dojoMoveItem"); + }, + onMoveStop: function(/* dojo.dnd.Mover */ mover){ + // summary: called after every move operation + dojo.publish("/dnd/move/stop", [mover]); + dojo.removeClass(dojo.body(), "dojoMove"); + dojo.removeClass(this.node, "dojoMoveItem"); + }, + onFirstMove: function(/* dojo.dnd.Mover */ mover){ + // summary: called during the very first move notification, + // can be used to initialize coordinates, can be overwritten. + + // default implementation does nothing + }, + onMove: function(/* dojo.dnd.Mover */ mover, /* Object */ leftTop){ + // summary: called during every move notification, + // should actually move the node, can be overwritten. + this.onMoving(mover, leftTop); + var s = mover.node.style; + s.left = leftTop.l + "px"; + s.top = leftTop.t + "px"; + this.onMoved(mover, leftTop); + }, + onMoving: function(/* dojo.dnd.Mover */ mover, /* Object */ leftTop){ + // summary: called before every incremental move, + // can be overwritten. + + // default implementation does nothing + }, + onMoved: function(/* dojo.dnd.Mover */ mover, /* Object */ leftTop){ + // summary: called after every incremental move, + // can be overwritten. + + // default implementation does nothing + } +}); + +} diff --git a/includes/js/dojo/dnd/Mover.js b/includes/js/dojo/dnd/Mover.js new file mode 100644 index 0000000..94f84f1 --- /dev/null +++ b/includes/js/dojo/dnd/Mover.js @@ -0,0 +1,84 @@ +if(!dojo._hasResource["dojo.dnd.Mover"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojo.dnd.Mover"] = true; +dojo.provide("dojo.dnd.Mover"); + +dojo.require("dojo.dnd.common"); +dojo.require("dojo.dnd.autoscroll"); + +dojo.declare("dojo.dnd.Mover", null, { + constructor: function(node, e, host){ + // summary: an object, which makes a node follow the mouse, + // used as a default mover, and as a base class for custom movers + // node: Node: a node (or node's id) to be moved + // e: Event: a mouse event, which started the move; + // only pageX and pageY properties are used + // host: Object?: object which implements the functionality of the move, + // and defines proper events (onMoveStart and onMoveStop) + this.node = dojo.byId(node); + this.marginBox = {l: e.pageX, t: e.pageY}; + this.mouseButton = e.button; + var h = this.host = host, d = node.ownerDocument, + firstEvent = dojo.connect(d, "onmousemove", this, "onFirstMove"); + this.events = [ + dojo.connect(d, "onmousemove", this, "onMouseMove"), + dojo.connect(d, "onmouseup", this, "onMouseUp"), + // cancel text selection and text dragging + dojo.connect(d, "ondragstart", dojo, "stopEvent"), + dojo.connect(d, "onselectstart", dojo, "stopEvent"), + firstEvent + ]; + // notify that the move has started + if(h && h.onMoveStart){ + h.onMoveStart(this); + } + }, + // mouse event processors + onMouseMove: function(e){ + // summary: event processor for onmousemove + // e: Event: mouse event + dojo.dnd.autoScroll(e); + var m = this.marginBox; + this.host.onMove(this, {l: m.l + e.pageX, t: m.t + e.pageY}); + }, + onMouseUp: function(e){ + if(this.mouseButton == e.button){ + this.destroy(); + } + }, + // utilities + onFirstMove: function(){ + // summary: makes the node absolute; it is meant to be called only once + var s = this.node.style, l, t; + switch(s.position){ + case "relative": + case "absolute": + // assume that left and top values are in pixels already + l = Math.round(parseFloat(s.left)); + t = Math.round(parseFloat(s.top)); + break; + default: + s.position = "absolute"; // enforcing the absolute mode + var m = dojo.marginBox(this.node); + l = m.l; + t = m.t; + break; + } + this.marginBox.l = l - this.marginBox.l; + this.marginBox.t = t - this.marginBox.t; + this.host.onFirstMove(this); + dojo.disconnect(this.events.pop()); + }, + destroy: function(){ + // summary: stops the move, deletes all references, so the object can be garbage-collected + dojo.forEach(this.events, dojo.disconnect); + // undo global settings + var h = this.host; + if(h && h.onMoveStop){ + h.onMoveStop(this); + } + // destroy objects + this.events = this.node = null; + } +}); + +} diff --git a/includes/js/dojo/dnd/Selector.js b/includes/js/dojo/dnd/Selector.js new file mode 100644 index 0000000..f942e7e --- /dev/null +++ b/includes/js/dojo/dnd/Selector.js @@ -0,0 +1,244 @@ +if(!dojo._hasResource["dojo.dnd.Selector"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojo.dnd.Selector"] = true; +dojo.provide("dojo.dnd.Selector"); + +dojo.require("dojo.dnd.common"); +dojo.require("dojo.dnd.Container"); + +/* + Container item states: + "" - an item is not selected + "Selected" - an item is selected + "Anchor" - an item is selected, and is an anchor for a "shift" selection +*/ + +dojo.declare("dojo.dnd.Selector", dojo.dnd.Container, { + // summary: a Selector object, which knows how to select its children + + constructor: function(node, params){ + // summary: a constructor of the Selector + // node: Node: node or node's id to build the selector on + // params: Object: a dict of parameters, recognized parameters are: + // singular: Boolean: allows selection of only one element, if true + // the rest of parameters are passed to the container + if(!params){ params = {}; } + this.singular = params.singular; + // class-specific variables + this.selection = {}; + this.anchor = null; + this.simpleSelection = false; + // set up events + this.events.push( + dojo.connect(this.node, "onmousedown", this, "onMouseDown"), + dojo.connect(this.node, "onmouseup", this, "onMouseUp")); + }, + + // object attributes (for markup) + singular: false, // is singular property + + // methods + getSelectedNodes: function(){ + // summary: returns a list (an array) of selected nodes + var t = new dojo.NodeList(); + var e = dojo.dnd._empty; + for(var i in this.selection){ + if(i in e){ continue; } + t.push(dojo.byId(i)); + } + return t; // Array + }, + selectNone: function(){ + // summary: unselects all items + return this._removeSelection()._removeAnchor(); // self + }, + selectAll: function(){ + // summary: selects all items + this.forInItems(function(data, id){ + this._addItemClass(dojo.byId(id), "Selected"); + this.selection[id] = 1; + }, this); + return this._removeAnchor(); // self + }, + deleteSelectedNodes: function(){ + // summary: deletes all selected items + var e = dojo.dnd._empty; + for(var i in this.selection){ + if(i in e){ continue; } + var n = dojo.byId(i); + this.delItem(i); + dojo._destroyElement(n); + } + this.anchor = null; + this.selection = {}; + return this; // self + }, + insertNodes: function(addSelected, data, before, anchor){ + // summary: inserts new data items (see Container's insertNodes method for details) + // addSelected: Boolean: all new nodes will be added to selected items, if true, no selection change otherwise + // data: Array: a list of data items, which should be processed by the creator function + // before: Boolean: insert before the anchor, if true, and after the anchor otherwise + // anchor: Node: the anchor node to be used as a point of insertion + var oldCreator = this._normalizedCreator; + this._normalizedCreator = function(item, hint){ + var t = oldCreator.call(this, item, hint); + if(addSelected){ + if(!this.anchor){ + this.anchor = t.node; + this._removeItemClass(t.node, "Selected"); + this._addItemClass(this.anchor, "Anchor"); + }else if(this.anchor != t.node){ + this._removeItemClass(t.node, "Anchor"); + this._addItemClass(t.node, "Selected"); + } + this.selection[t.node.id] = 1; + }else{ + this._removeItemClass(t.node, "Selected"); + this._removeItemClass(t.node, "Anchor"); + } + return t; + }; + dojo.dnd.Selector.superclass.insertNodes.call(this, data, before, anchor); + this._normalizedCreator = oldCreator; + return this; // self + }, + destroy: function(){ + // summary: prepares the object to be garbage-collected + dojo.dnd.Selector.superclass.destroy.call(this); + this.selection = this.anchor = null; + }, + + // markup methods + markupFactory: function(params, node){ + params._skipStartup = true; + return new dojo.dnd.Selector(node, params); + }, + + // mouse events + onMouseDown: function(e){ + // summary: event processor for onmousedown + // e: Event: mouse event + if(!this.current){ return; } + if(!this.singular && !dojo.dnd.getCopyKeyState(e) && !e.shiftKey && (this.current.id in this.selection)){ + this.simpleSelection = true; + dojo.stopEvent(e); + return; + } + if(!this.singular && e.shiftKey){ + if(!dojo.dnd.getCopyKeyState(e)){ + this._removeSelection(); + } + var c = this.getAllNodes(); + if(c.length){ + if(!this.anchor){ + this.anchor = c[0]; + this._addItemClass(this.anchor, "Anchor"); + } + this.selection[this.anchor.id] = 1; + if(this.anchor != this.current){ + var i = 0; + for(; i < c.length; ++i){ + var node = c[i]; + if(node == this.anchor || node == this.current){ break; } + } + for(++i; i < c.length; ++i){ + var node = c[i]; + if(node == this.anchor || node == this.current){ break; } + this._addItemClass(node, "Selected"); + this.selection[node.id] = 1; + } + this._addItemClass(this.current, "Selected"); + this.selection[this.current.id] = 1; + } + } + }else{ + if(this.singular){ + if(this.anchor == this.current){ + if(dojo.dnd.getCopyKeyState(e)){ + this.selectNone(); + } + }else{ + this.selectNone(); + this.anchor = this.current; + this._addItemClass(this.anchor, "Anchor"); + this.selection[this.current.id] = 1; + } + }else{ + if(dojo.dnd.getCopyKeyState(e)){ + if(this.anchor == this.current){ + delete this.selection[this.anchor.id]; + this._removeAnchor(); + }else{ + if(this.current.id in this.selection){ + this._removeItemClass(this.current, "Selected"); + delete this.selection[this.current.id]; + }else{ + if(this.anchor){ + this._removeItemClass(this.anchor, "Anchor"); + this._addItemClass(this.anchor, "Selected"); + } + this.anchor = this.current; + this._addItemClass(this.current, "Anchor"); + this.selection[this.current.id] = 1; + } + } + }else{ + if(!(this.current.id in this.selection)){ + this.selectNone(); + this.anchor = this.current; + this._addItemClass(this.current, "Anchor"); + this.selection[this.current.id] = 1; + } + } + } + } + dojo.stopEvent(e); + }, + onMouseUp: function(e){ + // summary: event processor for onmouseup + // e: Event: mouse event + if(!this.simpleSelection){ return; } + this.simpleSelection = false; + this.selectNone(); + if(this.current){ + this.anchor = this.current; + this._addItemClass(this.anchor, "Anchor"); + this.selection[this.current.id] = 1; + } + }, + onMouseMove: function(e){ + // summary: event processor for onmousemove + // e: Event: mouse event + this.simpleSelection = false; + }, + + // utilities + onOverEvent: function(){ + // summary: this function is called once, when mouse is over our container + this.onmousemoveEvent = dojo.connect(this.node, "onmousemove", this, "onMouseMove"); + }, + onOutEvent: function(){ + // summary: this function is called once, when mouse is out of our container + dojo.disconnect(this.onmousemoveEvent); + delete this.onmousemoveEvent; + }, + _removeSelection: function(){ + // summary: unselects all items + var e = dojo.dnd._empty; + for(var i in this.selection){ + if(i in e){ continue; } + var node = dojo.byId(i); + if(node){ this._removeItemClass(node, "Selected"); } + } + this.selection = {}; + return this; // self + }, + _removeAnchor: function(){ + if(this.anchor){ + this._removeItemClass(this.anchor, "Anchor"); + this.anchor = null; + } + return this; // self + } +}); + +} diff --git a/includes/js/dojo/dnd/Source.js b/includes/js/dojo/dnd/Source.js new file mode 100644 index 0000000..1779756 --- /dev/null +++ b/includes/js/dojo/dnd/Source.js @@ -0,0 +1,393 @@ +if(!dojo._hasResource["dojo.dnd.Source"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojo.dnd.Source"] = true; +dojo.provide("dojo.dnd.Source"); + +dojo.require("dojo.dnd.Selector"); +dojo.require("dojo.dnd.Manager"); + +/* + Container property: + "Horizontal"- if this is the horizontal container + Source states: + "" - normal state + "Moved" - this source is being moved + "Copied" - this source is being copied + Target states: + "" - normal state + "Disabled" - the target cannot accept an avatar + Target anchor state: + "" - item is not selected + "Before" - insert point is before the anchor + "After" - insert point is after the anchor +*/ + +/*===== +dojo.dnd.__SourceArgs = function(){ + // summary: + // a dict of parameters for DnD Source configuration. Note that any + // property on Source elements may be configured, but this is the + // short-list + // isSource: Boolean? + // can be used as a DnD source. Defaults to true. + // accept: Array? + // list of accepted types (text strings) for a target; defaults to + // ["text"] + // horizontal: Boolean? + // a horizontal container, if true, vertical otherwise or when omitted + // copyOnly: Boolean? + // always copy items, if true, use a state of Ctrl key otherwise + // withHandles: Boolean? + // allows dragging only by handles + this.isSource = isSource; + this.accept = accept; + this.horizontal = horizontal; + this.copyOnly = copyOnly; + this.withHandles = withHandles; +} +=====*/ + +dojo.declare("dojo.dnd.Source", dojo.dnd.Selector, { + // summary: a Source object, which can be used as a DnD source, or a DnD target + + // object attributes (for markup) + isSource: true, + horizontal: false, + copyOnly: false, + skipForm: false, + withHandles: false, + accept: ["text"], + + constructor: function(/*DOMNode|String*/node, /*dojo.dnd.__SourceArgs?*/params){ + // summary: + // a constructor of the Source + // node: + // node or node's id to build the source on + // params: + // any property of this class may be configured via the params + // object which is mixed-in to the `dojo.dnd.Source` instance + dojo.mixin(this, dojo.mixin({}, params)); + var type = this.accept; + if(type.length){ + this.accept = {}; + for(var i = 0; i < type.length; ++i){ + this.accept[type[i]] = 1; + } + } + // class-specific variables + this.isDragging = false; + this.mouseDown = false; + this.targetAnchor = null; + this.targetBox = null; + this.before = true; + // states + this.sourceState = ""; + if(this.isSource){ + dojo.addClass(this.node, "dojoDndSource"); + } + this.targetState = ""; + if(this.accept){ + dojo.addClass(this.node, "dojoDndTarget"); + } + if(this.horizontal){ + dojo.addClass(this.node, "dojoDndHorizontal"); + } + // set up events + this.topics = [ + dojo.subscribe("/dnd/source/over", this, "onDndSourceOver"), + dojo.subscribe("/dnd/start", this, "onDndStart"), + dojo.subscribe("/dnd/drop", this, "onDndDrop"), + dojo.subscribe("/dnd/cancel", this, "onDndCancel") + ]; + }, + + // methods + checkAcceptance: function(source, nodes){ + // summary: checks, if the target can accept nodes from this source + // source: Object: the source which provides items + // nodes: Array: the list of transferred items + if(this == source){ return true; } + for(var i = 0; i < nodes.length; ++i){ + var type = source.getItem(nodes[i].id).type; + // type instanceof Array + var flag = false; + for(var j = 0; j < type.length; ++j){ + if(type[j] in this.accept){ + flag = true; + break; + } + } + if(!flag){ + return false; // Boolean + } + } + return true; // Boolean + }, + copyState: function(keyPressed){ + // summary: Returns true, if we need to copy items, false to move. + // It is separated to be overwritten dynamically, if needed. + // keyPressed: Boolean: the "copy" was pressed + return this.copyOnly || keyPressed; // Boolean + }, + destroy: function(){ + // summary: prepares the object to be garbage-collected + dojo.dnd.Source.superclass.destroy.call(this); + dojo.forEach(this.topics, dojo.unsubscribe); + this.targetAnchor = null; + }, + + // markup methods + markupFactory: function(params, node){ + params._skipStartup = true; + return new dojo.dnd.Source(node, params); + }, + + // mouse event processors + onMouseMove: function(e){ + // summary: event processor for onmousemove + // e: Event: mouse event + if(this.isDragging && this.targetState == "Disabled"){ return; } + dojo.dnd.Source.superclass.onMouseMove.call(this, e); + var m = dojo.dnd.manager(); + if(this.isDragging){ + // calculate before/after + var before = false; + if(this.current){ + if(!this.targetBox || this.targetAnchor != this.current){ + this.targetBox = { + xy: dojo.coords(this.current, true), + w: this.current.offsetWidth, + h: this.current.offsetHeight + }; + } + if(this.horizontal){ + before = (e.pageX - this.targetBox.xy.x) < (this.targetBox.w / 2); + }else{ + before = (e.pageY - this.targetBox.xy.y) < (this.targetBox.h / 2); + } + } + if(this.current != this.targetAnchor || before != this.before){ + this._markTargetAnchor(before); + m.canDrop(!this.current || m.source != this || !(this.current.id in this.selection)); + } + }else{ + if(this.mouseDown && this.isSource){ + var nodes = this.getSelectedNodes(); + if(nodes.length){ + m.startDrag(this, nodes, this.copyState(dojo.dnd.getCopyKeyState(e))); + } + } + } + }, + onMouseDown: function(e){ + // summary: event processor for onmousedown + // e: Event: mouse event + if(this._legalMouseDown(e) && (!this.skipForm || !dojo.dnd.isFormElement(e))){ + this.mouseDown = true; + this.mouseButton = e.button; + dojo.dnd.Source.superclass.onMouseDown.call(this, e); + } + }, + onMouseUp: function(e){ + // summary: event processor for onmouseup + // e: Event: mouse event + if(this.mouseDown){ + this.mouseDown = false; + dojo.dnd.Source.superclass.onMouseUp.call(this, e); + } + }, + + // topic event processors + onDndSourceOver: function(source){ + // summary: topic event processor for /dnd/source/over, called when detected a current source + // source: Object: the source which has the mouse over it + if(this != source){ + this.mouseDown = false; + if(this.targetAnchor){ + this._unmarkTargetAnchor(); + } + }else if(this.isDragging){ + var m = dojo.dnd.manager(); + m.canDrop(this.targetState != "Disabled" && (!this.current || m.source != this || !(this.current.id in this.selection))); + } + }, + onDndStart: function(source, nodes, copy){ + // summary: topic event processor for /dnd/start, called to initiate the DnD operation + // source: Object: the source which provides items + // nodes: Array: the list of transferred items + // copy: Boolean: copy items, if true, move items otherwise + if(this.isSource){ + this._changeState("Source", this == source ? (copy ? "Copied" : "Moved") : ""); + } + var accepted = this.accept && this.checkAcceptance(source, nodes); + this._changeState("Target", accepted ? "" : "Disabled"); + if(accepted && this == source){ + dojo.dnd.manager().overSource(this); + } + this.isDragging = true; + }, + onDndDrop: function(source, nodes, copy){ + // summary: topic event processor for /dnd/drop, called to finish the DnD operation + // source: Object: the source which provides items + // nodes: Array: the list of transferred items + // copy: Boolean: copy items, if true, move items otherwise + do{ //break box + if(this.containerState != "Over"){ break; } + var oldCreator = this._normalizedCreator; + if(this != source){ + // transferring nodes from the source to the target + if(this.creator){ + // use defined creator + this._normalizedCreator = function(node, hint){ + return oldCreator.call(this, source.getItem(node.id).data, hint); + }; + }else{ + // we have no creator defined => move/clone nodes + if(copy){ + // clone nodes + this._normalizedCreator = function(node, hint){ + var t = source.getItem(node.id); + var n = node.cloneNode(true); + n.id = dojo.dnd.getUniqueId(); + return {node: n, data: t.data, type: t.type}; + }; + }else{ + // move nodes + this._normalizedCreator = function(node, hint){ + var t = source.getItem(node.id); + source.delItem(node.id); + return {node: node, data: t.data, type: t.type}; + }; + } + } + }else{ + // transferring nodes within the single source + if(this.current && this.current.id in this.selection){ break; } + if(this.creator){ + // use defined creator + if(copy){ + // create new copies of data items + this._normalizedCreator = function(node, hint){ + return oldCreator.call(this, source.getItem(node.id).data, hint); + }; + }else{ + // move nodes + if(!this.current){ break; } + this._normalizedCreator = function(node, hint){ + var t = source.getItem(node.id); + return {node: node, data: t.data, type: t.type}; + }; + } + }else{ + // we have no creator defined => move/clone nodes + if(copy){ + // clone nodes + this._normalizedCreator = function(node, hint){ + var t = source.getItem(node.id); + var n = node.cloneNode(true); + n.id = dojo.dnd.getUniqueId(); + return {node: n, data: t.data, type: t.type}; + }; + }else{ + // move nodes + if(!this.current){ break; } + this._normalizedCreator = function(node, hint){ + var t = source.getItem(node.id); + return {node: node, data: t.data, type: t.type}; + }; + } + } + } + this._removeSelection(); + if(this != source){ + this._removeAnchor(); + } + if(this != source && !copy && !this.creator){ + source.selectNone(); + } + this.insertNodes(true, nodes, this.before, this.current); + if(this != source && !copy && this.creator){ + source.deleteSelectedNodes(); + } + this._normalizedCreator = oldCreator; + }while(false); + this.onDndCancel(); + }, + onDndCancel: function(){ + // summary: topic event processor for /dnd/cancel, called to cancel the DnD operation + if(this.targetAnchor){ + this._unmarkTargetAnchor(); + this.targetAnchor = null; + } + this.before = true; + this.isDragging = false; + this.mouseDown = false; + delete this.mouseButton; + this._changeState("Source", ""); + this._changeState("Target", ""); + }, + + // utilities + onOverEvent: function(){ + // summary: this function is called once, when mouse is over our container + dojo.dnd.Source.superclass.onOverEvent.call(this); + dojo.dnd.manager().overSource(this); + }, + onOutEvent: function(){ + // summary: this function is called once, when mouse is out of our container + dojo.dnd.Source.superclass.onOutEvent.call(this); + dojo.dnd.manager().outSource(this); + }, + _markTargetAnchor: function(before){ + // summary: assigns a class to the current target anchor based on "before" status + // before: Boolean: insert before, if true, after otherwise + if(this.current == this.targetAnchor && this.before == before){ return; } + if(this.targetAnchor){ + this._removeItemClass(this.targetAnchor, this.before ? "Before" : "After"); + } + this.targetAnchor = this.current; + this.targetBox = null; + this.before = before; + if(this.targetAnchor){ + this._addItemClass(this.targetAnchor, this.before ? "Before" : "After"); + } + }, + _unmarkTargetAnchor: function(){ + // summary: removes a class of the current target anchor based on "before" status + if(!this.targetAnchor){ return; } + this._removeItemClass(this.targetAnchor, this.before ? "Before" : "After"); + this.targetAnchor = null; + this.targetBox = null; + this.before = true; + }, + _markDndStatus: function(copy){ + // summary: changes source's state based on "copy" status + this._changeState("Source", copy ? "Copied" : "Moved"); + }, + _legalMouseDown: function(e){ + // summary: checks if user clicked on "approved" items + // e: Event: mouse event + if(!this.withHandles){ return true; } + for(var node = e.target; node && !dojo.hasClass(node, "dojoDndItem"); node = node.parentNode){ + if(dojo.hasClass(node, "dojoDndHandle")){ return true; } + } + return false; // Boolean + } +}); + +dojo.declare("dojo.dnd.Target", dojo.dnd.Source, { + // summary: a Target object, which can be used as a DnD target + + constructor: function(node, params){ + // summary: a constructor of the Target --- see the Source constructor for details + this.isSource = false; + dojo.removeClass(this.node, "dojoDndSource"); + }, + + // markup methods + markupFactory: function(params, node){ + params._skipStartup = true; + return new dojo.dnd.Target(node, params); + } +}); + +} diff --git a/includes/js/dojo/dnd/TimedMoveable.js b/includes/js/dojo/dnd/TimedMoveable.js new file mode 100644 index 0000000..4f4fb0b --- /dev/null +++ b/includes/js/dojo/dnd/TimedMoveable.js @@ -0,0 +1,66 @@ +if(!dojo._hasResource["dojo.dnd.TimedMoveable"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojo.dnd.TimedMoveable"] = true; +dojo.provide("dojo.dnd.TimedMoveable"); + +dojo.require("dojo.dnd.Moveable"); + +(function(){ + // precalculate long expressions + var oldOnMove = dojo.dnd.Moveable.prototype.onMove; + + dojo.declare("dojo.dnd.TimedMoveable", dojo.dnd.Moveable, { + // summary: + // A specialized version of Moveable to support an FPS throttling. + // This class puts an upper restriction on FPS, which may reduce + // the CPU load. The additional parameter "timeout" regulates + // the delay before actually moving the moveable object. + + // object attributes (for markup) + timeout: 40, // in ms, 40ms corresponds to 25 fps + + constructor: function(node, params){ + // summary: an object, which makes a node moveable with a timer + // node: Node: a node (or node's id) to be moved + // params: Object: an optional object with additional parameters. + // See dojo.dnd.Moveable for details on general parameters. + // Following parameters are specific for this class: + // timeout: Number: delay move by this number of ms + // accumulating position changes during the timeout + + // sanitize parameters + if(!params){ params = {}; } + if(params.timeout && typeof params.timeout == "number" && params.timeout >= 0){ + this.timeout = params.timeout; + } + }, + + // markup methods + markupFactory: function(params, node){ + return new dojo.dnd.TimedMoveable(node, params); + }, + + onMoveStop: function(/* dojo.dnd.Mover */ mover){ + if(mover._timer){ + // stop timer + clearTimeout(mover._timer) + // reflect the last received position + oldOnMove.call(this, mover, mover._leftTop) + } + dojo.dnd.Moveable.prototype.onMoveStop.apply(this, arguments); + }, + onMove: function(/* dojo.dnd.Mover */ mover, /* Object */ leftTop){ + mover._leftTop = leftTop; + if(!mover._timer){ + var _t = this; // to avoid using dojo.hitch() + mover._timer = setTimeout(function(){ + // we don't have any pending requests + mover._timer = null; + // reflect the last received position + oldOnMove.call(_t, mover, mover._leftTop); + }, this.timeout); + } + } + }); +})(); + +} diff --git a/includes/js/dojo/dnd/autoscroll.js b/includes/js/dojo/dnd/autoscroll.js new file mode 100644 index 0000000..07ab61e --- /dev/null +++ b/includes/js/dojo/dnd/autoscroll.js @@ -0,0 +1,103 @@ +if(!dojo._hasResource["dojo.dnd.autoscroll"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojo.dnd.autoscroll"] = true; +dojo.provide("dojo.dnd.autoscroll"); + +dojo.dnd.getViewport = function(){ + // summary: returns a viewport size (visible part of the window) + + // FIXME: need more docs!! + var d = dojo.doc, dd = d.documentElement, w = window, b = dojo.body(); + if(dojo.isMozilla){ + return {w: dd.clientWidth, h: w.innerHeight}; // Object + }else if(!dojo.isOpera && w.innerWidth){ + return {w: w.innerWidth, h: w.innerHeight}; // Object + }else if (!dojo.isOpera && dd && dd.clientWidth){ + return {w: dd.clientWidth, h: dd.clientHeight}; // Object + }else if (b.clientWidth){ + return {w: b.clientWidth, h: b.clientHeight}; // Object + } + return null; // Object +}; + +dojo.dnd.V_TRIGGER_AUTOSCROLL = 32; +dojo.dnd.H_TRIGGER_AUTOSCROLL = 32; + +dojo.dnd.V_AUTOSCROLL_VALUE = 16; +dojo.dnd.H_AUTOSCROLL_VALUE = 16; + +dojo.dnd.autoScroll = function(e){ + // summary: + // a handler for onmousemove event, which scrolls the window, if + // necesary + // e: Event: + // onmousemove event + + // FIXME: needs more docs! + var v = dojo.dnd.getViewport(), dx = 0, dy = 0; + if(e.clientX < dojo.dnd.H_TRIGGER_AUTOSCROLL){ + dx = -dojo.dnd.H_AUTOSCROLL_VALUE; + }else if(e.clientX > v.w - dojo.dnd.H_TRIGGER_AUTOSCROLL){ + dx = dojo.dnd.H_AUTOSCROLL_VALUE; + } + if(e.clientY < dojo.dnd.V_TRIGGER_AUTOSCROLL){ + dy = -dojo.dnd.V_AUTOSCROLL_VALUE; + }else if(e.clientY > v.h - dojo.dnd.V_TRIGGER_AUTOSCROLL){ + dy = dojo.dnd.V_AUTOSCROLL_VALUE; + } + window.scrollBy(dx, dy); +}; + +dojo.dnd._validNodes = {"div": 1, "p": 1, "td": 1}; +dojo.dnd._validOverflow = {"auto": 1, "scroll": 1}; + +dojo.dnd.autoScrollNodes = function(e){ + // summary: + // a handler for onmousemove event, which scrolls the first avaialble + // Dom element, it falls back to dojo.dnd.autoScroll() + // e: Event: + // onmousemove event + + // FIXME: needs more docs! + for(var n = e.target; n;){ + if(n.nodeType == 1 && (n.tagName.toLowerCase() in dojo.dnd._validNodes)){ + var s = dojo.getComputedStyle(n); + if(s.overflow.toLowerCase() in dojo.dnd._validOverflow){ + var b = dojo._getContentBox(n, s), t = dojo._abs(n, true); + // console.debug(b.l, b.t, t.x, t.y, n.scrollLeft, n.scrollTop); + b.l += t.x + n.scrollLeft; + b.t += t.y + n.scrollTop; + var w = Math.min(dojo.dnd.H_TRIGGER_AUTOSCROLL, b.w / 2), + h = Math.min(dojo.dnd.V_TRIGGER_AUTOSCROLL, b.h / 2), + rx = e.pageX - b.l, ry = e.pageY - b.t, dx = 0, dy = 0; + if(rx > 0 && rx < b.w){ + if(rx < w){ + dx = -dojo.dnd.H_AUTOSCROLL_VALUE; + }else if(rx > b.w - w){ + dx = dojo.dnd.H_AUTOSCROLL_VALUE; + } + } + //console.debug("ry =", ry, "b.h =", b.h, "h =", h); + if(ry > 0 && ry < b.h){ + if(ry < h){ + dy = -dojo.dnd.V_AUTOSCROLL_VALUE; + }else if(ry > b.h - h){ + dy = dojo.dnd.V_AUTOSCROLL_VALUE; + } + } + var oldLeft = n.scrollLeft, oldTop = n.scrollTop; + n.scrollLeft = n.scrollLeft + dx; + n.scrollTop = n.scrollTop + dy; + // if(dx || dy){ console.debug(oldLeft + ", " + oldTop + "\n" + dx + ", " + dy + "\n" + n.scrollLeft + ", " + n.scrollTop); } + if(oldLeft != n.scrollLeft || oldTop != n.scrollTop){ return; } + } + } + try{ + n = n.parentNode; + }catch(x){ + n = null; + } + } + dojo.dnd.autoScroll(e); +}; + +} diff --git a/includes/js/dojo/dnd/common.js b/includes/js/dojo/dnd/common.js new file mode 100644 index 0000000..79e7679 --- /dev/null +++ b/includes/js/dojo/dnd/common.js @@ -0,0 +1,35 @@ +if(!dojo._hasResource["dojo.dnd.common"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojo.dnd.common"] = true; +dojo.provide("dojo.dnd.common"); + +dojo.dnd._copyKey = navigator.appVersion.indexOf("Macintosh") < 0 ? "ctrlKey" : "metaKey"; + +dojo.dnd.getCopyKeyState = function(e) { + // summary: abstracts away the difference between selection on Mac and PC, + // and returns the state of the "copy" key to be pressed. + // e: Event: mouse event + return e[dojo.dnd._copyKey]; // Boolean +}; + +dojo.dnd._uniqueId = 0; +dojo.dnd.getUniqueId = function(){ + // summary: returns a unique string for use with any DOM element + var id; + do{ + id = dojo._scopeName + "Unique" + (++dojo.dnd._uniqueId); + }while(dojo.byId(id)); + return id; +}; + +dojo.dnd._empty = {}; + +dojo.dnd.isFormElement = function(/*Event*/ e){ + // summary: returns true, if user clicked on a form element + var t = e.target; + if(t.nodeType == 3 /*TEXT_NODE*/){ + t = t.parentNode; + } + return " button textarea input select option ".indexOf(" " + t.tagName.toLowerCase() + " ") >= 0; // Boolean +}; + +} diff --git a/includes/js/dojo/dnd/move.js b/includes/js/dojo/dnd/move.js new file mode 100644 index 0000000..1e58222 --- /dev/null +++ b/includes/js/dojo/dnd/move.js @@ -0,0 +1,202 @@ +if(!dojo._hasResource["dojo.dnd.move"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojo.dnd.move"] = true; +dojo.provide("dojo.dnd.move"); + +dojo.require("dojo.dnd.Mover"); +dojo.require("dojo.dnd.Moveable"); + +dojo.declare("dojo.dnd.move.constrainedMoveable", dojo.dnd.Moveable, { + // object attributes (for markup) + constraints: function(){}, + within: false, + + // markup methods + markupFactory: function(params, node){ + return new dojo.dnd.move.constrainedMoveable(node, params); + }, + + constructor: function(node, params){ + // summary: an object, which makes a node moveable + // node: Node: a node (or node's id) to be moved + // params: Object: an optional object with additional parameters; + // following parameters are recognized: + // constraints: Function: a function, which calculates a constraint box, + // it is called in a context of the moveable object. + // within: Boolean: restrict move within boundaries. + // the rest is passed to the base class + if(!params){ params = {}; } + this.constraints = params.constraints; + this.within = params.within; + }, + onFirstMove: function(/* dojo.dnd.Mover */ mover){ + // summary: called during the very first move notification, + // can be used to initialize coordinates, can be overwritten. + var c = this.constraintBox = this.constraints.call(this, mover); + c.r = c.l + c.w; + c.b = c.t + c.h; + if(this.within){ + var mb = dojo.marginBox(mover.node); + c.r -= mb.w; + c.b -= mb.h; + } + }, + onMove: function(/* dojo.dnd.Mover */ mover, /* Object */ leftTop){ + // summary: called during every move notification, + // should actually move the node, can be overwritten. + var c = this.constraintBox, s = mover.node.style; + s.left = (leftTop.l < c.l ? c.l : c.r < leftTop.l ? c.r : leftTop.l) + "px"; + s.top = (leftTop.t < c.t ? c.t : c.b < leftTop.t ? c.b : leftTop.t) + "px"; + } +}); + +dojo.declare("dojo.dnd.move.boxConstrainedMoveable", dojo.dnd.move.constrainedMoveable, { + // object attributes (for markup) + box: {}, + + // markup methods + markupFactory: function(params, node){ + return new dojo.dnd.move.boxConstrainedMoveable(node, params); + }, + + constructor: function(node, params){ + // summary: an object, which makes a node moveable + // node: Node: a node (or node's id) to be moved + // params: Object: an optional object with additional parameters; + // following parameters are recognized: + // box: Object: a constraint box + // the rest is passed to the base class + var box = params && params.box; + this.constraints = function(){ return box; }; + } +}); + +dojo.declare("dojo.dnd.move.parentConstrainedMoveable", dojo.dnd.move.constrainedMoveable, { + // object attributes (for markup) + area: "content", + + // markup methods + markupFactory: function(params, node){ + return new dojo.dnd.move.parentConstrainedMoveable(node, params); + }, + + constructor: function(node, params){ + // summary: an object, which makes a node moveable + // node: Node: a node (or node's id) to be moved + // params: Object: an optional object with additional parameters; + // following parameters are recognized: + // area: String: a parent's area to restrict the move, + // can be "margin", "border", "padding", or "content". + // the rest is passed to the base class + var area = params && params.area; + this.constraints = function(){ + var n = this.node.parentNode, + s = dojo.getComputedStyle(n), + mb = dojo._getMarginBox(n, s); + if(area == "margin"){ + return mb; // Object + } + var t = dojo._getMarginExtents(n, s); + mb.l += t.l, mb.t += t.t, mb.w -= t.w, mb.h -= t.h; + if(area == "border"){ + return mb; // Object + } + t = dojo._getBorderExtents(n, s); + mb.l += t.l, mb.t += t.t, mb.w -= t.w, mb.h -= t.h; + if(area == "padding"){ + return mb; // Object + } + t = dojo._getPadExtents(n, s); + mb.l += t.l, mb.t += t.t, mb.w -= t.w, mb.h -= t.h; + return mb; // Object + }; + } +}); + +// WARNING: below are obsolete objects, instead of custom movers use custom moveables (above) + +dojo.dnd.move.constrainedMover = function(fun, within){ + // summary: returns a constrained version of dojo.dnd.Mover + // description: this function produces n object, which will put a constraint on + // the margin box of dragged object in absolute coordinates + // fun: Function: called on drag, and returns a constraint box + // within: Boolean: if true, constraints the whole dragged object withtin the rectangle, + // otherwise the constraint is applied to the left-top corner + dojo.deprecated("dojo.dnd.move.constrainedMover, use dojo.dnd.move.constrainedMoveable instead"); + var mover = function(node, e, notifier){ + dojo.dnd.Mover.call(this, node, e, notifier); + }; + dojo.extend(mover, dojo.dnd.Mover.prototype); + dojo.extend(mover, { + onMouseMove: function(e){ + // summary: event processor for onmousemove + // e: Event: mouse event + dojo.dnd.autoScroll(e); + var m = this.marginBox, c = this.constraintBox, + l = m.l + e.pageX, t = m.t + e.pageY; + l = l < c.l ? c.l : c.r < l ? c.r : l; + t = t < c.t ? c.t : c.b < t ? c.b : t; + this.host.onMove(this, {l: l, t: t}); + }, + onFirstMove: function(){ + // summary: called once to initialize things; it is meant to be called only once + dojo.dnd.Mover.prototype.onFirstMove.call(this); + var c = this.constraintBox = fun.call(this); + c.r = c.l + c.w; + c.b = c.t + c.h; + if(within){ + var mb = dojo.marginBox(this.node); + c.r -= mb.w; + c.b -= mb.h; + } + } + }); + return mover; // Object +}; + +dojo.dnd.move.boxConstrainedMover = function(box, within){ + // summary: a specialization of dojo.dnd.constrainedMover, which constrains to the specified box + // box: Object: a constraint box (l, t, w, h) + // within: Boolean: if true, constraints the whole dragged object withtin the rectangle, + // otherwise the constraint is applied to the left-top corner + dojo.deprecated("dojo.dnd.move.boxConstrainedMover, use dojo.dnd.move.boxConstrainedMoveable instead"); + return dojo.dnd.move.constrainedMover(function(){ return box; }, within); // Object +}; + +dojo.dnd.move.parentConstrainedMover = function(area, within){ + // summary: a specialization of dojo.dnd.constrainedMover, which constrains to the parent node + // area: String: "margin" to constrain within the parent's margin box, "border" for the border box, + // "padding" for the padding box, and "content" for the content box; "content" is the default value. + // within: Boolean: if true, constraints the whole dragged object withtin the rectangle, + // otherwise the constraint is applied to the left-top corner + dojo.deprecated("dojo.dnd.move.parentConstrainedMover, use dojo.dnd.move.parentConstrainedMoveable instead"); + var fun = function(){ + var n = this.node.parentNode, + s = dojo.getComputedStyle(n), + mb = dojo._getMarginBox(n, s); + if(area == "margin"){ + return mb; // Object + } + var t = dojo._getMarginExtents(n, s); + mb.l += t.l, mb.t += t.t, mb.w -= t.w, mb.h -= t.h; + if(area == "border"){ + return mb; // Object + } + t = dojo._getBorderExtents(n, s); + mb.l += t.l, mb.t += t.t, mb.w -= t.w, mb.h -= t.h; + if(area == "padding"){ + return mb; // Object + } + t = dojo._getPadExtents(n, s); + mb.l += t.l, mb.t += t.t, mb.w -= t.w, mb.h -= t.h; + return mb; // Object + }; + return dojo.dnd.move.constrainedMover(fun, within); // Object +}; + +// patching functions one level up for compatibility + +dojo.dnd.constrainedMover = dojo.dnd.move.constrainedMover; +dojo.dnd.boxConstrainedMover = dojo.dnd.move.boxConstrainedMover; +dojo.dnd.parentConstrainedMover = dojo.dnd.move.parentConstrainedMover; + +} |