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Diffstat (limited to 'includes/js/dojo/dnd/Source.js')
-rw-r--r-- | includes/js/dojo/dnd/Source.js | 393 |
1 files changed, 0 insertions, 393 deletions
diff --git a/includes/js/dojo/dnd/Source.js b/includes/js/dojo/dnd/Source.js deleted file mode 100644 index 1779756..0000000 --- a/includes/js/dojo/dnd/Source.js +++ /dev/null @@ -1,393 +0,0 @@ -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); - } -}); - -} |