tvheadend/vendor/ext-3.4.1/examples/ux/treegrid/TreeGrid.js
Adam Sutton bafcfff42d webui: restructure webui/extjs source files
I want to keep the 3rd-party packages away from the main source
where possible.
2013-06-03 17:11:01 +01:00

424 lines
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14 KiB
JavaScript

/*
This file is part of Ext JS 3.4
Copyright (c) 2011-2013 Sencha Inc
Contact: http://www.sencha.com/contact
GNU General Public License Usage
This file may be used under the terms of the GNU General Public License version 3.0 as
published by the Free Software Foundation and appearing in the file LICENSE included in the
packaging of this file.
Please review the following information to ensure the GNU General Public License version 3.0
requirements will be met: http://www.gnu.org/copyleft/gpl.html.
If you are unsure which license is appropriate for your use, please contact the sales department
at http://www.sencha.com/contact.
Build date: 2013-04-03 15:07:25
*/
/**
* @class Ext.ux.tree.TreeGrid
* @extends Ext.tree.TreePanel
*
* @xtype treegrid
*/
Ext.ux.tree.TreeGrid = Ext.extend(Ext.tree.TreePanel, {
rootVisible : false,
useArrows : true,
lines : false,
borderWidth : Ext.isBorderBox ? 0 : 2, // the combined left/right border for each cell
cls : 'x-treegrid',
columnResize : true,
enableSort : true,
reserveScrollOffset : true,
enableHdMenu : true,
columnsText : 'Columns',
initComponent : function() {
if(!this.root) {
this.root = new Ext.tree.AsyncTreeNode({text: 'Root'});
}
// initialize the loader
var l = this.loader;
if(!l){
l = new Ext.ux.tree.TreeGridLoader({
dataUrl: this.dataUrl,
requestMethod: this.requestMethod,
store: this.store
});
}else if(Ext.isObject(l) && !l.load){
l = new Ext.ux.tree.TreeGridLoader(l);
}
this.loader = l;
Ext.ux.tree.TreeGrid.superclass.initComponent.call(this);
this.initColumns();
if(this.enableSort) {
this.treeGridSorter = new Ext.ux.tree.TreeGridSorter(this, this.enableSort);
}
if(this.columnResize){
this.colResizer = new Ext.tree.ColumnResizer(this.columnResize);
this.colResizer.init(this);
}
var c = this.columns;
if(!this.internalTpl){
this.internalTpl = new Ext.XTemplate(
'<div class="x-grid3-header">',
'<div class="x-treegrid-header-inner">',
'<div class="x-grid3-header-offset">',
'<table style="table-layout: fixed;" cellspacing="0" cellpadding="0" border="0"><colgroup><tpl for="columns"><col /></tpl></colgroup>',
'<thead><tr class="x-grid3-hd-row">',
'<tpl for="columns">',
'<td class="x-grid3-hd x-grid3-cell x-treegrid-hd" style="text-align: {align};" id="', this.id, '-xlhd-{#}">',
'<div class="x-grid3-hd-inner x-treegrid-hd-inner" unselectable="on">',
this.enableHdMenu ? '<a class="x-grid3-hd-btn" href="#"></a>' : '',
'{header}<img class="x-grid3-sort-icon" src="', Ext.BLANK_IMAGE_URL, '" />',
'</div>',
'</td></tpl>',
'</tr></thead>',
'</table>',
'</div></div>',
'</div>',
'<div class="x-treegrid-root-node">',
'<table class="x-treegrid-root-table" cellpadding="0" cellspacing="0" style="table-layout: fixed;"></table>',
'</div>'
);
}
if(!this.colgroupTpl) {
this.colgroupTpl = new Ext.XTemplate(
'<colgroup><tpl for="columns"><col style="width: {width}px"/></tpl></colgroup>'
);
}
},
initColumns : function() {
var cs = this.columns,
len = cs.length,
columns = [],
i, c;
for(i = 0; i < len; i++){
c = cs[i];
if(!c.isColumn) {
c.xtype = c.xtype ? (/^tg/.test(c.xtype) ? c.xtype : 'tg' + c.xtype) : 'tgcolumn';
c = Ext.create(c);
}
c.init(this);
columns.push(c);
if(this.enableSort !== false && c.sortable !== false) {
c.sortable = true;
this.enableSort = true;
}
}
this.columns = columns;
},
onRender : function(){
Ext.tree.TreePanel.superclass.onRender.apply(this, arguments);
this.el.addClass('x-treegrid');
this.outerCt = this.body.createChild({
cls:'x-tree-root-ct x-treegrid-ct ' + (this.useArrows ? 'x-tree-arrows' : this.lines ? 'x-tree-lines' : 'x-tree-no-lines')
});
this.internalTpl.overwrite(this.outerCt, {columns: this.columns});
this.mainHd = Ext.get(this.outerCt.dom.firstChild);
this.innerHd = Ext.get(this.mainHd.dom.firstChild);
this.innerBody = Ext.get(this.outerCt.dom.lastChild);
this.innerCt = Ext.get(this.innerBody.dom.firstChild);
this.colgroupTpl.insertFirst(this.innerCt, {columns: this.columns});
if(this.hideHeaders){
this.el.child('.x-grid3-header').setDisplayed('none');
}
else if(this.enableHdMenu !== false){
this.hmenu = new Ext.menu.Menu({id: this.id + '-hctx'});
if(this.enableColumnHide !== false){
this.colMenu = new Ext.menu.Menu({id: this.id + '-hcols-menu'});
this.colMenu.on({
scope: this,
beforeshow: this.beforeColMenuShow,
itemclick: this.handleHdMenuClick
});
this.hmenu.add({
itemId:'columns',
hideOnClick: false,
text: this.columnsText,
menu: this.colMenu,
iconCls: 'x-cols-icon'
});
}
this.hmenu.on('itemclick', this.handleHdMenuClick, this);
}
},
setRootNode : function(node){
node.attributes.uiProvider = Ext.ux.tree.TreeGridRootNodeUI;
node = Ext.ux.tree.TreeGrid.superclass.setRootNode.call(this, node);
if(this.innerCt) {
this.colgroupTpl.insertFirst(this.innerCt, {columns: this.columns});
}
return node;
},
clearInnerCt : function(){
if(Ext.isIE){
var dom = this.innerCt.dom;
while(dom.firstChild){
dom.removeChild(dom.firstChild);
}
}else{
Ext.ux.tree.TreeGrid.superclass.clearInnerCt.call(this);
}
},
initEvents : function() {
Ext.ux.tree.TreeGrid.superclass.initEvents.apply(this, arguments);
this.mon(this.innerBody, 'scroll', this.syncScroll, this);
this.mon(this.innerHd, 'click', this.handleHdDown, this);
this.mon(this.mainHd, {
scope: this,
mouseover: this.handleHdOver,
mouseout: this.handleHdOut
});
},
onResize : function(w, h) {
Ext.ux.tree.TreeGrid.superclass.onResize.apply(this, arguments);
var bd = this.innerBody.dom;
var hd = this.innerHd.dom;
if(!bd){
return;
}
if(Ext.isNumber(h)){
bd.style.height = this.body.getHeight(true) - hd.offsetHeight + 'px';
}
if(Ext.isNumber(w)){
var sw = Ext.num(this.scrollOffset, Ext.getScrollBarWidth());
if(this.reserveScrollOffset || ((bd.offsetWidth - bd.clientWidth) > 10)){
this.setScrollOffset(sw);
}else{
var me = this;
setTimeout(function(){
me.setScrollOffset(bd.offsetWidth - bd.clientWidth > 10 ? sw : 0);
}, 10);
}
}
},
updateColumnWidths : function() {
var cols = this.columns,
colCount = cols.length,
groups = this.outerCt.query('colgroup'),
groupCount = groups.length,
c, g, i, j;
for(i = 0; i<colCount; i++) {
c = cols[i];
for(j = 0; j<groupCount; j++) {
g = groups[j];
g.childNodes[i].style.width = (c.hidden ? 0 : c.width) + 'px';
}
}
for(i = 0, groups = this.innerHd.query('td'), len = groups.length; i<len; i++) {
c = Ext.fly(groups[i]);
if(cols[i] && cols[i].hidden) {
c.addClass('x-treegrid-hd-hidden');
}
else {
c.removeClass('x-treegrid-hd-hidden');
}
}
var tcw = this.getTotalColumnWidth();
Ext.fly(this.innerHd.dom.firstChild).setWidth(tcw + (this.scrollOffset || 0));
this.outerCt.select('table').setWidth(tcw);
this.syncHeaderScroll();
},
getVisibleColumns : function() {
var columns = [],
cs = this.columns,
len = cs.length,
i;
for(i = 0; i<len; i++) {
if(!cs[i].hidden) {
columns.push(cs[i]);
}
}
return columns;
},
getTotalColumnWidth : function() {
var total = 0;
for(var i = 0, cs = this.getVisibleColumns(), len = cs.length; i<len; i++) {
total += cs[i].width;
}
return total;
},
setScrollOffset : function(scrollOffset) {
this.scrollOffset = scrollOffset;
this.updateColumnWidths();
},
// private
handleHdDown : function(e, t){
var hd = e.getTarget('.x-treegrid-hd');
if(hd && Ext.fly(t).hasClass('x-grid3-hd-btn')){
var ms = this.hmenu.items,
cs = this.columns,
index = this.findHeaderIndex(hd),
c = cs[index],
sort = c.sortable;
e.stopEvent();
Ext.fly(hd).addClass('x-grid3-hd-menu-open');
this.hdCtxIndex = index;
this.fireEvent('headerbuttonclick', ms, c, hd, index);
this.hmenu.on('hide', function(){
Ext.fly(hd).removeClass('x-grid3-hd-menu-open');
}, this, {single:true});
this.hmenu.show(t, 'tl-bl?');
}
else if(hd) {
var index = this.findHeaderIndex(hd);
this.fireEvent('headerclick', this.columns[index], hd, index);
}
},
// private
handleHdOver : function(e, t){
var hd = e.getTarget('.x-treegrid-hd');
if(hd && !this.headersDisabled){
index = this.findHeaderIndex(hd);
this.activeHdRef = t;
this.activeHdIndex = index;
var el = Ext.get(hd);
this.activeHdRegion = el.getRegion();
el.addClass('x-grid3-hd-over');
this.activeHdBtn = el.child('.x-grid3-hd-btn');
if(this.activeHdBtn){
this.activeHdBtn.dom.style.height = (hd.firstChild.offsetHeight-1)+'px';
}
}
},
// private
handleHdOut : function(e, t){
var hd = e.getTarget('.x-treegrid-hd');
if(hd && (!Ext.isIE || !e.within(hd, true))){
this.activeHdRef = null;
Ext.fly(hd).removeClass('x-grid3-hd-over');
hd.style.cursor = '';
}
},
findHeaderIndex : function(hd){
hd = hd.dom || hd;
var cs = hd.parentNode.childNodes;
for(var i = 0, c; c = cs[i]; i++){
if(c == hd){
return i;
}
}
return -1;
},
// private
beforeColMenuShow : function(){
var cols = this.columns,
colCount = cols.length,
i, c;
this.colMenu.removeAll();
for(i = 1; i < colCount; i++){
c = cols[i];
if(c.hideable !== false){
this.colMenu.add(new Ext.menu.CheckItem({
itemId: 'col-' + i,
text: c.header,
checked: !c.hidden,
hideOnClick:false,
disabled: c.hideable === false
}));
}
}
},
// private
handleHdMenuClick : function(item){
var index = this.hdCtxIndex,
id = item.getItemId();
if(this.fireEvent('headermenuclick', this.columns[index], id, index) !== false) {
index = id.substr(4);
if(index > 0 && this.columns[index]) {
this.setColumnVisible(index, !item.checked);
}
}
return true;
},
setColumnVisible : function(index, visible) {
this.columns[index].hidden = !visible;
this.updateColumnWidths();
},
/**
* Scrolls the grid to the top
*/
scrollToTop : function(){
this.innerBody.dom.scrollTop = 0;
this.innerBody.dom.scrollLeft = 0;
},
// private
syncScroll : function(){
this.syncHeaderScroll();
var mb = this.innerBody.dom;
this.fireEvent('bodyscroll', mb.scrollLeft, mb.scrollTop);
},
// private
syncHeaderScroll : function(){
var mb = this.innerBody.dom;
this.innerHd.dom.scrollLeft = mb.scrollLeft;
this.innerHd.dom.scrollLeft = mb.scrollLeft; // second time for IE (1/2 time first fails, other browsers ignore)
},
registerNode : function(n) {
Ext.ux.tree.TreeGrid.superclass.registerNode.call(this, n);
if(!n.uiProvider && !n.isRoot && !n.ui.isTreeGridNodeUI) {
n.ui = new Ext.ux.tree.TreeGridNodeUI(n);
}
}
});
Ext.reg('treegrid', Ext.ux.tree.TreeGrid);