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authormensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>2008-11-13 09:49:11 +0000
committermensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>2008-11-13 09:49:11 +0000
commite44a7e37b6c7b5961adaffc62b9042b8d442938e (patch)
tree95b67c356e93163467db2451f2b8cce84ed5d582 /includes/js/dojox/gfx/Moveable.js
parenta62b9742ee5e28bcec6872d88f50f25b820914f6 (diff)
downloadsemanticscuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.tar.gz
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New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
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+if(!dojo._hasResource["dojox.gfx.Moveable"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.gfx.Moveable"] = true;
+dojo.provide("dojox.gfx.Moveable");
+
+dojo.require("dojox.gfx.Mover");
+
+dojo.declare("dojox.gfx.Moveable", null, {
+ constructor: function(shape, params){
+ // summary: an object, which makes a shape moveable
+ // shape: dojox.gfx.Shape: a shape object to be moved
+ // params: Object: an optional object with additional parameters;
+ // following parameters are recognized:
+ // delay: Number: delay move by this number of pixels
+ // mover: Object: a constructor of custom Mover
+ this.shape = shape;
+ this.delay = (params && params.delay > 0) ? params.delay : 0;
+ this.mover = (params && params.mover) ? params.mover : dojox.gfx.Mover;
+ this.events = [
+ this.shape.connect("onmousedown", this, "onMouseDown"),
+ // cancel text selection and text dragging
+ //dojo.connect(this.handle, "ondragstart", dojo, "stopEvent"),
+ //dojo.connect(this.handle, "onselectstart", dojo, "stopEvent")
+ ];
+ },
+
+ // methods
+ destroy: function(){
+ // summary: stops watching for possible move, deletes all references, so the object can be garbage-collected
+ dojo.forEach(this.events, this.shape.disconnect, this.shape);
+ this.events = this.shape = null;
+ },
+
+ // mouse event processors
+ onMouseDown: function(e){
+ // summary: event processor for onmousedown, creates a Mover for the shape
+ // e: Event: mouse event
+ if(this.delay){
+ this.events.push(this.shape.connect("onmousemove", this, "onMouseMove"));
+ this.events.push(this.shape.connect("onmouseup", this, "onMouseUp"));
+ this._lastX = e.clientX;
+ this._lastY = e.clientY;
+ }else{
+ new this.mover(this.shape, 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.clientX - this._lastX) > this.delay || Math.abs(e.clientY - this._lastY) > this.delay){
+ this.onMouseUp(e);
+ new this.mover(this.shape, e, this);
+ }
+ dojo.stopEvent(e);
+ },
+ onMouseUp: function(e){
+ // summary: event processor for onmouseup, used only for delayed delayed drags
+ // e: Event: mouse event
+ this.shape.disconnect(this.events.pop());
+ this.shape.disconnect(this.events.pop());
+ },
+
+ // local events
+ onMoveStart: function(/* dojox.gfx.Mover */ mover){
+ // summary: called before every move operation
+ dojo.publish("/gfx/move/start", [mover]);
+ dojo.addClass(dojo.body(), "dojoMove");
+ },
+ onMoveStop: function(/* dojox.gfx.Mover */ mover){
+ // summary: called after every move operation
+ dojo.publish("/gfx/move/stop", [mover]);
+ dojo.removeClass(dojo.body(), "dojoMove");
+ },
+ onFirstMove: function(/* dojox.gfx.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(/* dojox.gfx.Mover */ mover, /* Object */ shift){
+ // summary: called during every move notification,
+ // should actually move the node, can be overwritten.
+ this.onMoving(mover, shift);
+ this.shape.applyLeftTransform(shift);
+ this.onMoved(mover, shift);
+ },
+ onMoving: function(/* dojox.gfx.Mover */ mover, /* Object */ shift){
+ // summary: called before every incremental move,
+ // can be overwritten.
+
+ // default implementation does nothing
+ },
+ onMoved: function(/* dojox.gfx.Mover */ mover, /* Object */ shift){
+ // summary: called after every incremental move,
+ // can be overwritten.
+
+ // default implementation does nothing
+ }
+});
+
+}