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authorAndrew Tridgell <tridge@samba.org>2005-08-05 19:11:26 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:31:20 -0500
commit8808465e5b70fd6388ed02a2cfda6015ffc914e5 (patch)
tree6e4428825fa1fd21f5e5938a3c0fb16710471852 /swat/style/qooxdoo/widgets/managers/QxDragAndDropManager.js
parentb99bca56570c0b146128bc243d770bb354ae0cd5 (diff)
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r9133: a huge import of the qooxdoo infrastructure. I decided to import all the widgets to make experimenting easy during development. We can trim this back later to only the pieces we use
(This used to be commit 631a56da39ed0daae46ca89e57c10b09cf41c718)
Diffstat (limited to 'swat/style/qooxdoo/widgets/managers/QxDragAndDropManager.js')
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diff --git a/swat/style/qooxdoo/widgets/managers/QxDragAndDropManager.js b/swat/style/qooxdoo/widgets/managers/QxDragAndDropManager.js
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+/* Copyright (c): 2002-2005 (Germany): United Internet, 1&1, GMX, Schlund+Partner, Alturo */
+function QxDragAndDropManager(){if(QxDragAndDropManager._instance){return QxDragAndDropManager._instance;};QxTarget.call(this);this._k1={};this._k2={};this._k3={};var d=window.application.getClientWindow().getClientDocument();var a=["move","copy","alias","nodrop"];var c;for(var i=0;i<a.length;i++){c = this._k3[a[i]] = new QxImage("widgets/cursors/" + a[i] + ".gif");c.setTimerCreate(false);c.setStyleProperty("top","-1000px");c.setZIndex(10000);c.setParent(d);};QxDragAndDropManager._instance=this;};QxDragAndDropManager.extend(QxManager,"QxDragAndDropManager");QxDragAndDropManager.addProperty({name:"sourceWidget",type:Object});QxDragAndDropManager.addProperty({name:"destinationWidget",type:Object});QxDragAndDropManager.addProperty({name:"cursor",type:Object});QxDragAndDropManager.addProperty({name:"currentAction",type:String});proto._k5=null;proto._modifyDestinationWidget=function(_b1,_b2,_b3,_b4){if(_b1){_b1.dispatchEvent(new QxDragEvent("dragdrop",this._k5));this._k5=null;};return true;};proto.addData=function(vMimeType,vData){this._k1[vMimeType]=vData;};proto.getData=function(vMimeType){return this._k1[vMimeType];};proto.clearData=function(){this._k1={};};proto.getDropDataTypes=function(){var dw=this.getDestinationWidget();var st=[];if(!dw){return st;};var ddt=dw.getDropDataTypes();var ddtl=ddt.length;for(var i=0;i<ddtl;i++){if(ddt[i]in this._k1){st.push(ddt[i]);};};return st;};proto.startDrag=function(){if(!this._k6){throw new Error("Invalid usage of startDrag. Missing dragInfo!");};this._k6.dragHandlerActive=true;this.setSourceWidget(this._k6.sourceWidget);};proto._fireUserEvents=function(fromWidget,toWidget,e){if(fromWidget&&fromWidget!=toWidget){var outEvent=new QxDragEvent("dragout",e);outEvent._relatedTarget=toWidget;fromWidget.dispatchEvent(outEvent,true);outEvent=null;};if(toWidget){if(fromWidget!=toWidget){var overEvent=new QxDragEvent("dragover",e);overEvent._relatedTarget=fromWidget;toWidget.dispatchEvent(overEvent,true);overEvent=null;};var moveEvent=new QxDragEvent("dragmove",e);toWidget.dispatchEvent(moveEvent,true);moveEvent=null;};};proto.handleMouseEvent=function(e){switch(e.getType()){case "mousedown":return this._handleMouseDown(e);case "mouseup":return this._handleMouseUp(e);case "mousemove":return this._handleMouseMove(e);};};proto._handleMouseDown=function(e){if(e.getDefaultPrevented()){return;};this._k6={startScreenX:e.getScreenX(),startScreenY:e.getScreenY(),pageX:e.getPageX(),pageY:e.getPageY(),sourceWidget:e.getTarget(),dragHandlerActive:false,hasFiredDragStart:false
+};this._k6.sourceTopLevel=this._k6.sourceWidget.getTopLevelWidget();};proto._handleMouseMove=function(e){if(!this._k6){return;};if(this._k6.dragHandlerActive){this._k6.pageX=e.getPageX();this._k6.pageY=e.getPageY();var currentDropTarget=this.getDropTarget(e);this.setCurrentAction(currentDropTarget?this._evalNewAction(e.getShiftKey(),e.getCtrlKey(),e.getAltKey()):null);this._fireUserEvents(this._k6.currentDropWidget,currentDropTarget,e);this._k6.currentDropWidget=currentDropTarget;this._renderCursor();}else if(!this._k6.hasFiredDragStart){if(Math.abs(e.getScreenX()-this._k6.startScreenX)>5||Math.abs(e.getScreenY()-this._k6.startScreenY)>5){this._k6.sourceWidget.dispatchEvent(new QxDragEvent("dragstart",e));this._k6.hasFiredDragStart=true;if(this._k6.dragHandlerActive){this._fireUserEvents(this._k6.currentDropWidget,this._k6.sourceWidget,e);this._k6.currentDropWidget=this._k6.sourceWidget;var clientDocument=window.application.getClientWindow().getClientDocument();clientDocument.setCapture(true);clientDocument.addEventListener("losecapture",this.cancelDrag,this);};};};};proto._handleMouseUp=function(e){if(!this._k6){return;};if(this._k6.dragHandlerActive){this._endDrag(this.getDropTarget(e),e);}else {this._k6=null;};};proto.handleKeyEvent=function(e){if(!this._k6){return;};switch(e.getType()){case "keydown":this._handleKeyDown(e);return;case "keyup":this._handleKeyUp(e);return;};};proto._handleKeyDown=function(e){if(e.getKeyCode()==QxKeyEvent.keys.esc){this.cancelDrag();}else if(this.getCurrentAction()!=null){switch(e.getKeyCode()){case QxKeyEvent.keys.shift:case QxKeyEvent.keys.ctrl:case QxKeyEvent.keys.alt:this.setAction(this._evalNewAction(e.getShiftKey(),e.getCtrlKey(),e.getAltKey()));this._renderCursor();};};};proto._handleKeyUp=function(e){var bShiftPressed=e.getKeyCode()==QxKeyEvent.keys.shift;var bCtrlPressed=e.getKeyCode()==QxKeyEvent.keys.strl;var bAltPressed=e.getKeyCode()==QxKeyEvent.keys.alt;if(bShiftPressed||bCtrlPressed||bAltPressed){if(this.getCurrentAction()!=null){this.setAction(this._evalNewAction(!bShiftPressed&&e.getShiftKey(),! bCtrlPressed&&e.getCtrlKey(),!bAltPressed&&e.getAltKey()));this._renderCursor();};};e.preventDefault();};proto.cancelDrag=function(e){this._endDrag(null,e);};proto.globalCancelDrag=function(){if(this._k6&&this._k6.dragHandlerActive){this._endDragCore();};};proto._endDrag=function(currentDestinationWidget,e){if(currentDestinationWidget){this._k5=e;this.setDestinationWidget(currentDestinationWidget);};this.getSourceWidget().dispatchEvent(new QxDragEvent("dragend",e));this._fireUserEvents(this._k6&&this._k6.currentDropWidget,null,e);this._endDragCore();};proto._endDragCore=function(){this.setCursor(null);var d=window.application.getClientWindow().getClientDocument();d.removeEventListener("losecapture",this.cancelDrag,this);d.setCapture(false);if(this._k6){this._k6.currentDropWidget=null;this._k6=null;};this.clearData();this.clearActions();this.setSourceWidget(null);this.setDestinationWidget(null);};proto._renderCursor=function(){var newCursor;switch(this.getCurrentAction()){case "move":newCursor=this._k3.move;break;case "copy":newCursor=this._k3.copy;break;case "alias":newCursor=this._k3.alias;break;default:newCursor=this._k3.nodrop;};newCursor._d3Horizontal(this._k6.pageX+5);newCursor._d3Vertical(this._k6.pageY+15);this.setCursor(newCursor);};proto._modifyCursor=function(_b1,_b2,_b3,_b4){if(_b2){_b2.setStyleProperty("display","none");};if(_b1){_b1.removeStyleProperty("display");};return true;};proto.supportsDrop=function(vWidget){var types=vWidget.getDropDataTypes();if(!types){return false;};for(var i=0;i<types.length;i++){if(types[i]in this._k1){return true;};};return false;};if((new QxClient).isGecko()){proto.getDropTarget=function(e){var currentWidget=e.getTarget();if(currentWidget==this._k6.sourceWidget){currentWidget=this._k6.sourceTopLevel.getWidgetFromPoint(e.getPageX(),e.getPageY());}else {currentWidget=QxEventManager.getActiveTargetObject(null,currentWidget);};while(currentWidget!=null){if(this.supportsDrop(currentWidget)){return currentWidget;};currentWidget=currentWidget.getParent();};return null;};}else {proto.getDropTarget=function(e){var currentWidget=e.getActiveTarget();while(currentWidget!=null){if(this.supportsDrop(currentWidget)){return currentWidget;};currentWidget=currentWidget.getParent();};return null;};};proto.addAction=function(vAction,vForce){this._k2[vAction]=true;if(vForce||this.getCurrentAction()==null){this.setCurrentAction(vAction);};};proto.clearActions=function(){this._k2={};this.setCurrentAction(null);};proto.removeAction=function(sAction){delete this._k2[sAction];if(this.getCurrentAction()==sAction){this.setCurrentAction(null);};};proto.setAction=function(s){if(s!=null&&!(s in this._k2)){this.addAction(s,true);}else {this.setCurrentAction(s);};};proto._evalNewAction=function(kShift,kCtrl,kAlt){if(kShift&&kCtrl&&this._k4("alias")){return "alias";}else if(kShift&&kAlt&&this._k4("copy")){return "copy";}else if(kShift&&this._k4("move")){return "move";}else if(kAlt&&this._k4("alias")){return "alias";}else if(kCtrl&&this._k4("copy")){return "copy";}else {for(var action in this._k2){return action;};};return null;};proto._k4=function(vAction){return vAction in this._k2;};proto.dispose=function(){if(this.getDisposed()){return;};this._k1=null;this._k2=null;this.setSourceWidget(null);this.setDestinationWidget(null);this._lastdestinationWidgetEvent=null;this._k6=null;if(QxDragAndDropManager._k3){if(QxDragAndDropManager._k3.move){QxDragAndDropManager._k3.move.dispose();QxDragAndDropManager._k3.move=null;};if(QxDragAndDropManager._k3.copy){QxDragAndDropManager._k3.copy.dispose();QxDragAndDropManager._k3.copy=null;};if(QxDragAndDropManager._k3.alias){QxDragAndDropManager._k3.alias.dispose();QxDragAndDropManager._k3.alias=null;};if(QxDragAndDropManager._k3.nodrop){QxDragAndDropManager._k3.nodrop.dispose();QxDragAndDropManager._k3.nodrop=null;};QxDragAndDropManager._k3=null;};QxManager.prototype.dispose.call(this);}; \ No newline at end of file