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/*
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* Ext.ux.grid.BufferedGridDragZone V0.1
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* Copyright(c) 2007, http://www.siteartwork.de
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*
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* Licensed under the terms of the Open Source LGPL 3.0
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* http://www.gnu.org/licenses/lgpl.html
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*
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* @author Thorsten Suckow-Homberg <ts@siteartwork.de>
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*/
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// private
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// This is a support class used internally by the Grid components
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Ext.namespace('Ext.ux.grid');
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Ext.ux.grid.BufferedGridDragZone = function(grid, config){
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this.view = grid.getView();
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Ext.ux.grid.BufferedGridDragZone.superclass.constructor.call(this, this.view.mainBody.dom, config);
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// this.addEvents({
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// 'startdrag' : true
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//});
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if(this.view.lockedBody){
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this.setHandleElId(Ext.id(this.view.mainBody.dom));
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this.setOuterHandleElId(Ext.id(this.view.lockedBody.dom));
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}
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this.scroll = false;
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this.grid = grid;
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this.ddel = document.createElement('div');
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this.ddel.className = 'x-grid-dd-wrap';
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this.view.ds.on('beforeselectionsload', this.onBeforeSelectionsLoad, this);
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this.view.ds.on('selectionsload', this.onSelectionsLoad, this);
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};
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Ext.extend(Ext.ux.grid.BufferedGridDragZone, Ext.dd.DragZone, {
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ddGroup : "GridDD",
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isDropValid : true,
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getDragData : function(e)
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{
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var t = Ext.lib.Event.getTarget(e);
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var rowIndex = this.view.findRowIndex(t);
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if(rowIndex !== false){
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var sm = this.grid.selModel;
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if(!sm.isSelected(rowIndex) || e.hasModifier()){
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sm.handleMouseDown(this.grid, rowIndex, e);
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}
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return {grid: this.grid, ddel: this.ddel, rowIndex: rowIndex, selections:sm.getSelections()};
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}
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return false;
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},
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onInitDrag : function(e)
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{
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this.view.ds.loadSelections(this.grid.selModel.getPendingSelections(true));
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var data = this.dragData;
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this.ddel.innerHTML = this.grid.getDragDropText();
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this.proxy.update(this.ddel);
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// fire start drag?
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},
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onBeforeSelectionsLoad : function()
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{
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this.isDropValid = false;
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Ext.fly(this.proxy.el.dom.firstChild).addClass('x-dd-drop-waiting');
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},
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onSelectionsLoad : function()
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{
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this.isDropValid = true;
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this.ddel.innerHTML = this.grid.getDragDropText();
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Ext.fly(this.proxy.el.dom.firstChild).removeClass('x-dd-drop-waiting');
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},
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afterRepair : function()
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{
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this.dragging = false;
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},
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getRepairXY : function(e, data)
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{
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return false;
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},
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onStartDrag : function()
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{
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},
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onEndDrag : function(data, e)
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{
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// fire end drag?
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},
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onValidDrop : function(dd, e, id)
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{
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// fire drag drop?
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this.hideProxy();
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},
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beforeInvalidDrop : function(e, id)
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{
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}
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});
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