diff options
Diffstat (limited to 'lib/dojo/dnd/Source.js')
| -rw-r--r-- | lib/dojo/dnd/Source.js | 545 |
1 files changed, 2 insertions, 543 deletions
diff --git a/lib/dojo/dnd/Source.js b/lib/dojo/dnd/Source.js index 30a61becd..b61da09bd 100644 --- a/lib/dojo/dnd/Source.js +++ b/lib/dojo/dnd/Source.js @@ -4,546 +4,5 @@ see: http://dojotoolkit.org/license for details */ - -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"] - // autoSync: Boolean - // if true refreshes the node list on every operation; false by default - // copyOnly: Boolean? - // copy items, if true, use a state of Ctrl key otherwise, - // see selfCopy and selfAccept for more details - // delay: Number - // the move delay in pixels before detecting a drag; 0 by default - // horizontal: Boolean? - // a horizontal container, if true, vertical otherwise or when omitted - // selfCopy: Boolean? - // copy items by default when dropping on itself, - // false by default, works only if copyOnly is true - // selfAccept: Boolean? - // accept its own items when copyOnly is true, - // true by default, works only if copyOnly is true - // withHandles: Boolean? - // allows dragging only by handles, false by default - // generateText: Boolean? - // generate text node for drag and drop, true by default - this.isSource = isSource; - this.accept = accept; - this.autoSync = autoSync; - this.copyOnly = copyOnly; - this.delay = delay; - this.horizontal = horizontal; - this.selfCopy = selfCopy; - this.selfAccept = selfAccept; - this.withHandles = withHandles; - this.generateText = true; -} -=====*/ - -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, - selfCopy: false, - selfAccept: true, - skipForm: false, - withHandles: false, - autoSync: false, - delay: 0, // pixels - accept: ["text"], - generateText: true, - - 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; - this._lastX = 0; - this._lastY = 0; - // 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 !this.copyOnly || this.selfAccept; - } - 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, self){ - // 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" key was pressed - // self: Boolean? - // optional flag that means that we are about to drop on itself - - if(keyPressed){ return true; } - if(arguments.length < 2){ - self = this == dojo.dnd.manager().target; - } - if(self){ - if(this.copyOnly){ - return this.selfCopy; - } - }else{ - return this.copyOnly; - } - return false; // 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){ - if(this.mouseDown && this.isSource && - (Math.abs(e.pageX - this._lastX) > this.delay || Math.abs(e.pageY - this._lastY) > this.delay)){ - var nodes = this.getSelectedNodes(); - if(nodes.length){ - m.startDrag(this, nodes, this.copyState(dojo.isCopyKey(e), true)); - } - } - } - if(this.isDragging){ - // calculate before/after - var before = false; - if(this.current){ - if(!this.targetBox || this.targetAnchor != this.current){ - this.targetBox = dojo.position(this.current, true); - } - if(this.horizontal){ - before = (e.pageX - this.targetBox.x) < (this.targetBox.w / 2); - }else{ - before = (e.pageY - this.targetBox.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)); - } - } - }, - onMouseDown: function(e){ - // summary: - // event processor for onmousedown - // e: Event - // mouse event - if(!this.mouseDown && this._legalMouseDown(e) && (!this.skipForm || !dojo.dnd.isFormElement(e))){ - this.mouseDown = true; - this._lastX = e.pageX; - this._lastY = e.pageY; - 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.autoSync){ this.sync(); } - 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(this == source){ - dojo.dnd.manager().overSource(this); - } - this.isDragging = true; - }, - onDndDrop: function(source, nodes, copy, target){ - // 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 - // target: Object - // the target which accepts items - if(this == target){ - // this one is for us => move nodes! - this.onDrop(source, nodes, copy); - } - 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; - this._changeState("Source", ""); - this._changeState("Target", ""); - }, - - // local events - onDrop: function(source, nodes, copy){ - // summary: - // called only on the current target, when drop is performed - // 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 != source){ - this.onDropExternal(source, nodes, copy); - }else{ - this.onDropInternal(nodes, copy); - } - }, - onDropExternal: function(source, nodes, copy){ - // summary: - // called only on the current target, when drop is performed - // from an external source - // source: Object - // the source which provides items - // nodes: Array - // the list of transferred items - // copy: Boolean - // copy items, if true, move items otherwise - - var oldCreator = this._normalizedCreator; - // 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}; - }; - } - } - this.selectNone(); - if(!copy && !this.creator){ - source.selectNone(); - } - this.insertNodes(true, nodes, this.before, this.current); - if(!copy && this.creator){ - source.deleteSelectedNodes(); - } - this._normalizedCreator = oldCreator; - }, - onDropInternal: function(nodes, copy){ - // summary: - // called only on the current target, when drop is performed - // from the same target/source - // nodes: Array - // the list of transferred items - // copy: Boolean - // copy items, if true, move items otherwise - - var oldCreator = this._normalizedCreator; - // transferring nodes within the single source - if(this.current && this.current.id in this.selection){ - // do nothing - return; - } - if(copy){ - if(this.creator){ - // create new copies of data items - this._normalizedCreator = function(node, hint){ - return oldCreator.call(this, this.getItem(node.id).data, hint); - }; - }else{ - // clone nodes - this._normalizedCreator = function(node, hint){ - var t = this.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){ - // do nothing - return; - } - this._normalizedCreator = function(node, hint){ - var t = this.getItem(node.id); - return {node: node, data: t.data, type: t.type}; - }; - } - this._removeSelection(); - this.insertNodes(true, nodes, this.before, this.current); - this._normalizedCreator = oldCreator; - }, - onDraggingOver: function(){ - // summary: - // called during the active DnD operation, when items - // are dragged over this target, and it is not disabled - }, - onDraggingOut: function(){ - // summary: - // called during the active DnD operation, when items - // are dragged away from this target, and it is not disabled - }, - - // 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); - if(this.isDragging && this.targetState != "Disabled"){ - this.onDraggingOver(); - } - }, - 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); - if(this.isDragging && this.targetState != "Disabled"){ - this.onDraggingOut(); - } - }, - _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 - - // accept only the left mouse button - if(!dojo.mouseButtons.isLeft(e)){ return false; } - - if(!this.withHandles){ return true; } - - // check for handles - for(var node = e.target; node && node !== this.node; node = node.parentNode){ - if(dojo.hasClass(node, "dojoDndHandle")){ return true; } - if(dojo.hasClass(node, "dojoDndItem") || dojo.hasClass(node, "dojoDndIgnore")){ break; } - } - 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 `dojo.dnd.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); - } -}); - -dojo.declare("dojo.dnd.AutoSource", dojo.dnd.Source, { - // summary: - // a source that syncs its DnD nodes by default - - constructor: function(node, params){ - // summary: - // constructor of the AutoSource --- see the Source constructor for details - this.autoSync = true; - }, - - // markup methods - markupFactory: function(params, node){ - params._skipStartup = true; - return new dojo.dnd.AutoSource(node, params); - } -}); - -} +//>>built +define("dojo/dnd/Source",["../main","./Selector","./Manager"],function(_1,_2,_3){if(!_1.isAsync){_1.ready(0,function(){var _4=["dojo/dnd/AutoSource","dojo/dnd/Target"];require(_4);});}return _1.declare("dojo.dnd.Source",_2,{isSource:true,horizontal:false,copyOnly:false,selfCopy:false,selfAccept:true,skipForm:false,withHandles:false,autoSync:false,delay:0,accept:["text"],generateText:true,constructor:function(_5,_6){_1.mixin(this,_1.mixin({},_6));var _7=this.accept;if(_7.length){this.accept={};for(var i=0;i<_7.length;++i){this.accept[_7[i]]=1;}}this.isDragging=false;this.mouseDown=false;this.targetAnchor=null;this.targetBox=null;this.before=true;this._lastX=0;this._lastY=0;this.sourceState="";if(this.isSource){_1.addClass(this.node,"dojoDndSource");}this.targetState="";if(this.accept){_1.addClass(this.node,"dojoDndTarget");}if(this.horizontal){_1.addClass(this.node,"dojoDndHorizontal");}this.topics=[_1.subscribe("/dnd/source/over",this,"onDndSourceOver"),_1.subscribe("/dnd/start",this,"onDndStart"),_1.subscribe("/dnd/drop",this,"onDndDrop"),_1.subscribe("/dnd/cancel",this,"onDndCancel")];},checkAcceptance:function(_8,_9){if(this==_8){return !this.copyOnly||this.selfAccept;}for(var i=0;i<_9.length;++i){var _a=_8.getItem(_9[i].id).type;var _b=false;for(var j=0;j<_a.length;++j){if(_a[j] in this.accept){_b=true;break;}}if(!_b){return false;}}return true;},copyState:function(_c,_d){if(_c){return true;}if(arguments.length<2){_d=this==_3.manager().target;}if(_d){if(this.copyOnly){return this.selfCopy;}}else{return this.copyOnly;}return false;},destroy:function(){_1.dnd.Source.superclass.destroy.call(this);_1.forEach(this.topics,_1.unsubscribe);this.targetAnchor=null;},onMouseMove:function(e){if(this.isDragging&&this.targetState=="Disabled"){return;}_1.dnd.Source.superclass.onMouseMove.call(this,e);var m=_3.manager();if(!this.isDragging){if(this.mouseDown&&this.isSource&&(Math.abs(e.pageX-this._lastX)>this.delay||Math.abs(e.pageY-this._lastY)>this.delay)){var _e=this.getSelectedNodes();if(_e.length){m.startDrag(this,_e,this.copyState(_1.isCopyKey(e),true));}}}if(this.isDragging){var _f=false;if(this.current){if(!this.targetBox||this.targetAnchor!=this.current){this.targetBox=_1.position(this.current,true);}if(this.horizontal){_f=(e.pageX-this.targetBox.x)<(this.targetBox.w/2);}else{_f=(e.pageY-this.targetBox.y)<(this.targetBox.h/2);}}if(this.current!=this.targetAnchor||_f!=this.before){this._markTargetAnchor(_f);m.canDrop(!this.current||m.source!=this||!(this.current.id in this.selection));}}},onMouseDown:function(e){if(!this.mouseDown&&this._legalMouseDown(e)&&(!this.skipForm||!_1.dnd.isFormElement(e))){this.mouseDown=true;this._lastX=e.pageX;this._lastY=e.pageY;_1.dnd.Source.superclass.onMouseDown.call(this,e);}},onMouseUp:function(e){if(this.mouseDown){this.mouseDown=false;_1.dnd.Source.superclass.onMouseUp.call(this,e);}},onDndSourceOver:function(_10){if(this!=_10){this.mouseDown=false;if(this.targetAnchor){this._unmarkTargetAnchor();}}else{if(this.isDragging){var m=_3.manager();m.canDrop(this.targetState!="Disabled"&&(!this.current||m.source!=this||!(this.current.id in this.selection)));}}},onDndStart:function(_11,_12,_13){if(this.autoSync){this.sync();}if(this.isSource){this._changeState("Source",this==_11?(_13?"Copied":"Moved"):"");}var _14=this.accept&&this.checkAcceptance(_11,_12);this._changeState("Target",_14?"":"Disabled");if(this==_11){_3.manager().overSource(this);}this.isDragging=true;},onDndDrop:function(_15,_16,_17,_18){if(this==_18){this.onDrop(_15,_16,_17);}this.onDndCancel();},onDndCancel:function(){if(this.targetAnchor){this._unmarkTargetAnchor();this.targetAnchor=null;}this.before=true;this.isDragging=false;this.mouseDown=false;this._changeState("Source","");this._changeState("Target","");},onDrop:function(_19,_1a,_1b){if(this!=_19){this.onDropExternal(_19,_1a,_1b);}else{this.onDropInternal(_1a,_1b);}},onDropExternal:function(_1c,_1d,_1e){var _1f=this._normalizedCreator;if(this.creator){this._normalizedCreator=function(_20,_21){return _1f.call(this,_1c.getItem(_20.id).data,_21);};}else{if(_1e){this._normalizedCreator=function(_22,_23){var t=_1c.getItem(_22.id);var n=_22.cloneNode(true);n.id=_1.dnd.getUniqueId();return {node:n,data:t.data,type:t.type};};}else{this._normalizedCreator=function(_24,_25){var t=_1c.getItem(_24.id);_1c.delItem(_24.id);return {node:_24,data:t.data,type:t.type};};}}this.selectNone();if(!_1e&&!this.creator){_1c.selectNone();}this.insertNodes(true,_1d,this.before,this.current);if(!_1e&&this.creator){_1c.deleteSelectedNodes();}this._normalizedCreator=_1f;},onDropInternal:function(_26,_27){var _28=this._normalizedCreator;if(this.current&&this.current.id in this.selection){return;}if(_27){if(this.creator){this._normalizedCreator=function(_29,_2a){return _28.call(this,this.getItem(_29.id).data,_2a);};}else{this._normalizedCreator=function(_2b,_2c){var t=this.getItem(_2b.id);var n=_2b.cloneNode(true);n.id=_1.dnd.getUniqueId();return {node:n,data:t.data,type:t.type};};}}else{if(!this.current){return;}this._normalizedCreator=function(_2d,_2e){var t=this.getItem(_2d.id);return {node:_2d,data:t.data,type:t.type};};}this._removeSelection();this.insertNodes(true,_26,this.before,this.current);this._normalizedCreator=_28;},onDraggingOver:function(){},onDraggingOut:function(){},onOverEvent:function(){_1.dnd.Source.superclass.onOverEvent.call(this);_3.manager().overSource(this);if(this.isDragging&&this.targetState!="Disabled"){this.onDraggingOver();}},onOutEvent:function(){_1.dnd.Source.superclass.onOutEvent.call(this);_3.manager().outSource(this);if(this.isDragging&&this.targetState!="Disabled"){this.onDraggingOut();}},_markTargetAnchor:function(_2f){if(this.current==this.targetAnchor&&this.before==_2f){return;}if(this.targetAnchor){this._removeItemClass(this.targetAnchor,this.before?"Before":"After");}this.targetAnchor=this.current;this.targetBox=null;this.before=_2f;if(this.targetAnchor){this._addItemClass(this.targetAnchor,this.before?"Before":"After");}},_unmarkTargetAnchor:function(){if(!this.targetAnchor){return;}this._removeItemClass(this.targetAnchor,this.before?"Before":"After");this.targetAnchor=null;this.targetBox=null;this.before=true;},_markDndStatus:function(_30){this._changeState("Source",_30?"Copied":"Moved");},_legalMouseDown:function(e){if(!_1.mouseButtons.isLeft(e)){return false;}if(!this.withHandles){return true;}for(var _31=e.target;_31&&_31!==this.node;_31=_31.parentNode){if(_1.hasClass(_31,"dojoDndHandle")){return true;}if(_1.hasClass(_31,"dojoDndItem")||_1.hasClass(_31,"dojoDndIgnore")){break;}}return false;}});});
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