Subversion Repositories eFlore/Applications.cel

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Ignore whitespace Rev 26 → Rev 27

/trunk/www/org.tela_botanica.cel2/js/ext/source/widgets/grid/ColumnDD.js
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0,0 → 1,219
/*
* Ext JS Library 2.0.2
* Copyright(c) 2006-2008, Ext JS, LLC.
* licensing@extjs.com
*
* http://extjs.com/license
*/
 
// private
// This is a support class used internally by the Grid components
Ext.grid.HeaderDragZone = function(grid, hd, hd2){
this.grid = grid;
this.view = grid.getView();
this.ddGroup = "gridHeader" + this.grid.getGridEl().id;
Ext.grid.HeaderDragZone.superclass.constructor.call(this, hd);
if(hd2){
this.setHandleElId(Ext.id(hd));
this.setOuterHandleElId(Ext.id(hd2));
}
this.scroll = false;
};
Ext.extend(Ext.grid.HeaderDragZone, Ext.dd.DragZone, {
maxDragWidth: 120,
getDragData : function(e){
var t = Ext.lib.Event.getTarget(e);
var h = this.view.findHeaderCell(t);
if(h){
return {ddel: h.firstChild, header:h};
}
return false;
},
 
onInitDrag : function(e){
this.view.headersDisabled = true;
var clone = this.dragData.ddel.cloneNode(true);
clone.id = Ext.id();
clone.style.width = Math.min(this.dragData.header.offsetWidth,this.maxDragWidth) + "px";
this.proxy.update(clone);
return true;
},
 
afterValidDrop : function(){
var v = this.view;
setTimeout(function(){
v.headersDisabled = false;
}, 50);
},
 
afterInvalidDrop : function(){
var v = this.view;
setTimeout(function(){
v.headersDisabled = false;
}, 50);
}
});
 
// private
// This is a support class used internally by the Grid components
Ext.grid.HeaderDropZone = function(grid, hd, hd2){
this.grid = grid;
this.view = grid.getView();
// split the proxies so they don't interfere with mouse events
this.proxyTop = Ext.DomHelper.append(document.body, {
cls:"col-move-top", html:" "
}, true);
this.proxyBottom = Ext.DomHelper.append(document.body, {
cls:"col-move-bottom", html:" "
}, true);
this.proxyTop.hide = this.proxyBottom.hide = function(){
this.setLeftTop(-100,-100);
this.setStyle("visibility", "hidden");
};
this.ddGroup = "gridHeader" + this.grid.getGridEl().id;
// temporarily disabled
//Ext.dd.ScrollManager.register(this.view.scroller.dom);
Ext.grid.HeaderDropZone.superclass.constructor.call(this, grid.getGridEl().dom);
};
Ext.extend(Ext.grid.HeaderDropZone, Ext.dd.DropZone, {
proxyOffsets : [-4, -9],
fly: Ext.Element.fly,
 
getTargetFromEvent : function(e){
var t = Ext.lib.Event.getTarget(e);
var cindex = this.view.findCellIndex(t);
if(cindex !== false){
return this.view.getHeaderCell(cindex);
}
},
 
nextVisible : function(h){
var v = this.view, cm = this.grid.colModel;
h = h.nextSibling;
while(h){
if(!cm.isHidden(v.getCellIndex(h))){
return h;
}
h = h.nextSibling;
}
return null;
},
 
prevVisible : function(h){
var v = this.view, cm = this.grid.colModel;
h = h.prevSibling;
while(h){
if(!cm.isHidden(v.getCellIndex(h))){
return h;
}
h = h.prevSibling;
}
return null;
},
 
positionIndicator : function(h, n, e){
var x = Ext.lib.Event.getPageX(e);
var r = Ext.lib.Dom.getRegion(n.firstChild);
var px, pt, py = r.top + this.proxyOffsets[1];
if((r.right - x) <= (r.right-r.left)/2){
px = r.right+this.view.borderWidth;
pt = "after";
}else{
px = r.left;
pt = "before";
}
var oldIndex = this.view.getCellIndex(h);
var newIndex = this.view.getCellIndex(n);
 
if(this.grid.colModel.isFixed(newIndex)){
return false;
}
 
var locked = this.grid.colModel.isLocked(newIndex);
 
if(pt == "after"){
newIndex++;
}
if(oldIndex < newIndex){
newIndex--;
}
if(oldIndex == newIndex && (locked == this.grid.colModel.isLocked(oldIndex))){
return false;
}
px += this.proxyOffsets[0];
this.proxyTop.setLeftTop(px, py);
this.proxyTop.show();
if(!this.bottomOffset){
this.bottomOffset = this.view.mainHd.getHeight();
}
this.proxyBottom.setLeftTop(px, py+this.proxyTop.dom.offsetHeight+this.bottomOffset);
this.proxyBottom.show();
return pt;
},
 
onNodeEnter : function(n, dd, e, data){
if(data.header != n){
this.positionIndicator(data.header, n, e);
}
},
 
onNodeOver : function(n, dd, e, data){
var result = false;
if(data.header != n){
result = this.positionIndicator(data.header, n, e);
}
if(!result){
this.proxyTop.hide();
this.proxyBottom.hide();
}
return result ? this.dropAllowed : this.dropNotAllowed;
},
 
onNodeOut : function(n, dd, e, data){
this.proxyTop.hide();
this.proxyBottom.hide();
},
 
onNodeDrop : function(n, dd, e, data){
var h = data.header;
if(h != n){
var cm = this.grid.colModel;
var x = Ext.lib.Event.getPageX(e);
var r = Ext.lib.Dom.getRegion(n.firstChild);
var pt = (r.right - x) <= ((r.right-r.left)/2) ? "after" : "before";
var oldIndex = this.view.getCellIndex(h);
var newIndex = this.view.getCellIndex(n);
var locked = cm.isLocked(newIndex);
if(pt == "after"){
newIndex++;
}
if(oldIndex < newIndex){
newIndex--;
}
if(oldIndex == newIndex && (locked == cm.isLocked(oldIndex))){
return false;
}
cm.setLocked(oldIndex, locked, true);
cm.moveColumn(oldIndex, newIndex);
this.grid.fireEvent("columnmove", oldIndex, newIndex);
return true;
}
return false;
}
});
 
 
Ext.grid.GridView.ColumnDragZone = function(grid, hd){
Ext.grid.GridView.ColumnDragZone.superclass.constructor.call(this, grid, hd, null);
this.proxy.el.addClass('x-grid3-col-dd');
};
 
Ext.extend(Ext.grid.GridView.ColumnDragZone, Ext.grid.HeaderDragZone, {
handleMouseDown : function(e){
 
},
 
callHandleMouseDown : function(e){
Ext.grid.GridView.ColumnDragZone.superclass.handleMouseDown.call(this, e);
}
});