www.gusucode.com > 一个基于extjs的强大聊天插件源码程序 > 一个基于extjs的强大聊天插件/extjame/ext-jame/js/ext2/source/legacy/GridView2.js
/*
* Ext JS Library 2.0.2
* Copyright(c) 2006-2008, Ext JS, LLC.
* licensing@extjs.com
*
* http://extjs.com/license
*/
Ext.grid.GridView = function(config){
Ext.grid.GridView.superclass.constructor.call(this);
this.el = null;
Ext.apply(this, config);
};
Ext.extend(Ext.grid.GridView, Ext.grid.AbstractGridView, {
/**
* Override this function to apply custom css classes to rows during rendering
* @param {Record} record The record
* @param {Number} index
* @method getRowClass
*/
rowClass : "x-grid-row",
cellClass : "x-grid-col",
tdClass : "x-grid-td",
hdClass : "x-grid-hd",
splitClass : "x-grid-split",
sortClasses : ["sort-asc", "sort-desc"],
enableMoveAnim : false,
hlColor: "C3DAF9",
dh : Ext.DomHelper,
fly : Ext.Element.fly,
css : Ext.util.CSS,
borderWidth: 1,
splitOffset: 3,
scrollIncrement : 22,
cellRE: /(?:.*?)x-grid-(?:hd|cell|csplit)-(?:[\d]+)-([\d]+)(?:.*?)/,
findRE: /\s?(?:x-grid-hd|x-grid-col|x-grid-csplit)\s/,
getEditorParent : function(ed){
return ed.parentEl || document.body;
},
bind : function(ds, cm){
if(this.ds){
this.ds.un("load", this.onLoad, this);
this.ds.un("datachanged", this.onDataChange);
this.ds.un("add", this.onAdd);
this.ds.un("remove", this.onRemove);
this.ds.un("update", this.onUpdate);
this.ds.un("clear", this.onClear);
}
if(ds){
ds.on("load", this.onLoad, this);
ds.on("datachanged", this.onDataChange, this);
ds.on("add", this.onAdd, this);
ds.on("remove", this.onRemove, this);
ds.on("update", this.onUpdate, this);
ds.on("clear", this.onClear, this);
}
this.ds = ds;
if(this.cm){
this.cm.un("widthchange", this.onColWidthChange, this);
this.cm.un("headerchange", this.onHeaderChange, this);
this.cm.un("hiddenchange", this.onHiddenChange, this);
this.cm.un("columnmoved", this.onColumnMove, this);
this.cm.un("columnlockchange", this.onColumnLock, this);
}
if(cm){
this.generateRules(cm);
cm.on("widthchange", this.onColWidthChange, this);
cm.on("headerchange", this.onHeaderChange, this);
cm.on("hiddenchange", this.onHiddenChange, this);
cm.on("columnmoved", this.onColumnMove, this);
cm.on("columnlockchange", this.onColumnLock, this);
}
this.cm = cm;
},
init: function(grid){
Ext.grid.GridView.superclass.init.call(this, grid);
this.bind(grid.dataSource, grid.colModel);
grid.on("headerclick", this.handleHeaderClick, this);
if(grid.trackMouseOver){
grid.on("mouseover", this.onRowOver, this);
grid.on("mouseout", this.onRowOut, this);
}
grid.cancelTextSelection = function(){};
this.gridId = grid.id;
var tpls = this.templates || {};
if(!tpls.master){
tpls.master = new Ext.Template(
'<div class="x-grid" hidefocus="true">',
'<div class="x-grid-topbar"></div>',
'<div class="x-grid-scroller"><div></div></div>',
'<div class="x-grid-locked">',
'<div class="x-grid-header">{lockedHeader}</div>',
'<div class="x-grid-body">{lockedBody}</div>',
"</div>",
'<div class="x-grid-viewport">',
'<div class="x-grid-header">{header}</div>',
'<div class="x-grid-body">{body}</div>',
"</div>",
'<div class="x-grid-bottombar"></div>',
'<a href="#" class="x-grid-focus" tabIndex="-1"></a>',
'<div class="x-grid-resize-proxy"> </div>',
"</div>"
);
tpls.master.disableformats = true;
}
if(!tpls.header){
tpls.header = new Ext.Template(
'<table border="0" cellspacing="0" cellpadding="0">',
'<tbody><tr class="x-grid-hd-row">{cells}</tr></tbody>',
"</table>{splits}"
);
tpls.header.disableformats = true;
}
tpls.header.compile();
if(!tpls.hcell){
tpls.hcell = new Ext.Template(
'<td class="x-grid-hd x-grid-td-{id} {cellId}"><div title="{title}" class="x-grid-hd-inner x-grid-hd-{id}">',
'<div class="x-grid-hd-text" unselectable="on">{value}<img class="x-grid-sort-icon" src="', Ext.BLANK_IMAGE_URL, '" /></div>',
"</div></td>"
);
tpls.hcell.disableFormats = true;
}
tpls.hcell.compile();
if(!tpls.hsplit){
tpls.hsplit = new Ext.Template('<div class="x-grid-split {splitId} x-grid-split-{id}" style="{style}" unselectable="on"> </div>');
tpls.hsplit.disableFormats = true;
}
tpls.hsplit.compile();
if(!tpls.body){
tpls.body = new Ext.Template(
'<table border="0" cellspacing="0" cellpadding="0">',
"<tbody>{rows}</tbody>",
"</table>"
);
tpls.body.disableFormats = true;
}
tpls.body.compile();
if(!tpls.row){
tpls.row = new Ext.Template('<tr class="x-grid-row {alt}">{cells}</tr>');
tpls.row.disableFormats = true;
}
tpls.row.compile();
if(!tpls.cell){
tpls.cell = new Ext.Template(
'<td class="x-grid-col x-grid-td-{id} {cellId} {css}" tabIndex="0">',
'<div class="x-grid-col-{id} x-grid-cell-inner"><div class="x-grid-cell-text" unselectable="on" {attr}>{value}</div></div>',
"</td>"
);
tpls.cell.disableFormats = true;
}
tpls.cell.compile();
this.templates = tpls;
},
// remap these for backwards compat
onColWidthChange : function(){
this.updateColumns.apply(this, arguments);
},
onHeaderChange : function(){
this.updateHeaders.apply(this, arguments);
},
onHiddenChange : function(){
this.handleHiddenChange.apply(this, arguments);
},
onColumnMove : function(){
this.handleColumnMove.apply(this, arguments);
},
onColumnLock : function(){
this.handleLockChange.apply(this, arguments);
},
onDataChange : function(){
this.refresh();
this.updateHeaderSortState();
},
onClear : function(){
this.refresh();
},
onUpdate : function(ds, record){
this.refreshRow(record);
},
refreshRow : function(record){
var ds = this.ds, index;
if(typeof record == 'number'){
index = record;
record = ds.getAt(index);
}else{
index = ds.indexOf(record);
}
this.insertRows(ds, index, index, true);
this.onRemove(ds, record, index+1, true);
this.syncRowHeights(index, index);
this.layout();
this.fireEvent("rowupdated", this, index, record);
},
onAdd : function(ds, records, index){
this.insertRows(ds, index, index + (records.length-1));
},
onRemove : function(ds, record, index, isUpdate){
if(isUpdate !== true){
this.fireEvent("beforerowremoved", this, index, record);
}
var bt = this.getBodyTable(), lt = this.getLockedTable();
if(bt.rows[index]){
bt.firstChild.removeChild(bt.rows[index]);
}
if(lt.rows[index]){
lt.firstChild.removeChild(lt.rows[index]);
}
if(isUpdate !== true){
this.stripeRows(index);
this.syncRowHeights(index, index);
this.layout();
this.fireEvent("rowremoved", this, index, record);
}
},
onLoad : function(){
this.scrollToTop();
},
/**
* Scrolls the grid to the top
*/
scrollToTop : function(){
if(this.scroller){
this.scroller.dom.scrollTop = 0;
this.syncScroll();
}
},
/**
* Gets a panel in the header of the grid that can be used for toolbars etc.
* After modifying the contents of this panel a call to grid.autoSize() may be
* required to register any changes in size.
* @param {Boolean} doShow By default the header is hidden. Pass true to show the panel
* @return Ext.Element
*/
getHeaderPanel : function(doShow){
if(doShow){
this.headerPanel.show();
}
return this.headerPanel;
},
/**
* Gets a panel in the footer of the grid that can be used for toolbars etc.
* After modifying the contents of this panel a call to grid.autoSize() may be
* required to register any changes in size.
* @param {Boolean} doShow By default the footer is hidden. Pass true to show the panel
* @return Ext.Element
*/
getFooterPanel : function(doShow){
if(doShow){
this.footerPanel.show();
}
return this.footerPanel;
},
initElements : function(){
var E = Ext.Element;
var el = this.grid.getGridEl().dom.firstChild;
var cs = el.childNodes;
this.el = new E(el);
this.headerPanel = new E(el.firstChild);
this.headerPanel.enableDisplayMode("block");
this.scroller = new E(cs[1]);
this.scrollSizer = new E(this.scroller.dom.firstChild);
this.lockedWrap = new E(cs[2]);
this.lockedHd = new E(this.lockedWrap.dom.firstChild);
this.lockedBody = new E(this.lockedWrap.dom.childNodes[1]);
this.mainWrap = new E(cs[3]);
this.mainHd = new E(this.mainWrap.dom.firstChild);
this.mainBody = new E(this.mainWrap.dom.childNodes[1]);
this.footerPanel = new E(cs[4]);
this.footerPanel.enableDisplayMode("block");
this.focusEl = new E(cs[5]);
this.focusEl.swallowEvent("click", true);
this.resizeProxy = new E(cs[6]);
this.headerSelector = String.format(
'#{0} td.x-grid-hd, #{1} td.x-grid-hd',
this.lockedHd.id, this.mainHd.id
);
this.splitterSelector = String.format(
'#{0} div.x-grid-split, #{1} div.x-grid-split',
this.lockedHd.id, this.mainHd.id
);
},
getHeaderCell : function(index){
return Ext.DomQuery.select(this.headerSelector)[index];
},
getHeaderCellMeasure : function(index){
return this.getHeaderCell(index).firstChild;
},
getHeaderCellText : function(index){
return this.getHeaderCell(index).firstChild.firstChild;
},
getLockedTable : function(){
return this.lockedBody.dom.firstChild;
},
getBodyTable : function(){
return this.mainBody.dom.firstChild;
},
getLockedRow : function(index){
return this.getLockedTable().rows[index];
},
getRow : function(index){
return this.getBodyTable().rows[index];
},
getRowComposite : function(index){
if(!this.rowEl){
this.rowEl = new Ext.CompositeElementLite();
}
var els = [], lrow, mrow;
if(lrow = this.getLockedRow(index)){
els.push(lrow);
}
if(mrow = this.getRow(index)){
els.push(mrow);
}
this.rowEl.elements = els;
return this.rowEl;
},
getCell : function(rowIndex, colIndex){
var locked = this.cm.getLockedCount();
var source;
if(colIndex < locked){
source = this.lockedBody.dom.firstChild;
}else{
source = this.mainBody.dom.firstChild;
colIndex -= locked;
}
return source.rows[rowIndex].childNodes[colIndex];
},
getCellText : function(rowIndex, colIndex){
return this.getCell(rowIndex, colIndex).firstChild.firstChild;
},
getCellBox : function(cell){
var b = this.fly(cell).getBox();
if(Ext.isOpera){ // opera fails to report the Y
b.y = cell.offsetTop + this.mainBody.getY();
}
return b;
},
getCellIndex : function(cell){
var id = String(cell.className).match(this.cellRE);
if(id){
return parseInt(id[1], 10);
}
return 0;
},
findHeaderIndex : function(n){
var r = Ext.fly(n).findParent("td." + this.hdClass, 6);
return r ? this.getCellIndex(r) : false;
},
findHeaderCell : function(n){
var r = Ext.fly(n).findParent("td." + this.hdClass, 6);
return r ? r : false;
},
findRowIndex : function(n){
if(!n){
return false;
}
var r = Ext.fly(n).findParent("tr." + this.rowClass, 6);
return r ? r.rowIndex : false;
},
findCellIndex : function(node){
var stop = this.el.dom;
while(node && node != stop){
if(this.findRE.test(node.className)){
return this.getCellIndex(node);
}
node = node.parentNode;
}
return false;
},
getColumnId : function(index){
return this.cm.getColumnId(index);
},
getSplitters : function(){
if(this.splitterSelector){
return Ext.DomQuery.select(this.splitterSelector);
}else{
return null;
}
},
getSplitter : function(index){
return this.getSplitters()[index];
},
onRowOver : function(e, t){
var row;
if((row = this.findRowIndex(t)) !== false){
this.getRowComposite(row).addClass("x-grid-row-over");
}
},
onRowOut : function(e, t){
var row;
if((row = this.findRowIndex(t)) !== false && row !== this.findRowIndex(e.getRelatedTarget())){
this.getRowComposite(row).removeClass("x-grid-row-over");
}
},
renderHeaders : function(){
var cm = this.cm;
var ct = this.templates.hcell, ht = this.templates.header, st = this.templates.hsplit;
var cb = [], lb = [], sb = [], lsb = [], p = {};
for(var i = 0, len = cm.getColumnCount(); i < len; i++){
p.cellId = "x-grid-hd-0-" + i;
p.splitId = "x-grid-csplit-0-" + i;
p.id = cm.getColumnId(i);
p.title = cm.getColumnTooltip(i) || "";
p.value = cm.getColumnHeader(i) || "";
p.style = (this.grid.enableColumnResize === false || !cm.isResizable(i) || cm.isFixed(i)) ? 'cursor:default' : '';
if(!cm.isLocked(i)){
cb[cb.length] = ct.apply(p);
sb[sb.length] = st.apply(p);
}else{
lb[lb.length] = ct.apply(p);
lsb[lsb.length] = st.apply(p);
}
}
return [ht.apply({cells: lb.join(""), splits:lsb.join("")}),
ht.apply({cells: cb.join(""), splits:sb.join("")})];
},
updateHeaders : function(){
var html = this.renderHeaders();
this.lockedHd.update(html[0]);
this.mainHd.update(html[1]);
},
/**
* Focuses the specified row.
* @param {Number} row The row index
*/
focusRow : function(row){
var x = this.scroller.dom.scrollLeft;
this.focusCell(row, 0, false);
this.scroller.dom.scrollLeft = x;
},
/**
* Focuses the specified cell.
* @param {Number} row The row index
* @param {Number} col The column index
* @param {Boolean} hscroll false to disable horizontal scrolling
*/
focusCell : function(row, col, hscroll){
var el = this.ensureVisible(row, col, hscroll);
this.focusEl.alignTo(el, "tl-tl");
if(Ext.isGecko){
this.focusEl.focus();
}else{
this.focusEl.focus.defer(1, this.focusEl);
}
},
/**
* Scrolls the specified cell into view
* @param {Number} row The row index
* @param {Number} col The column index
* @param {Boolean} hscroll false to disable horizontal scrolling
*/
ensureVisible : function(row, col, hscroll){
if(typeof row != "number"){
row = row.rowIndex;
}
if(row < 0 && row >= this.ds.getCount()){
return;
}
col = (col !== undefined ? col : 0);
var cm = this.grid.colModel;
while(cm.isHidden(col)){
col++;
}
var el = this.getCell(row, col);
if(!el){
return;
}
var c = this.scroller.dom;
var ctop = parseInt(el.offsetTop, 10);
var cleft = parseInt(el.offsetLeft, 10);
var cbot = ctop + el.offsetHeight;
var cright = cleft + el.offsetWidth;
var ch = c.clientHeight - this.mainHd.dom.offsetHeight;
var stop = parseInt(c.scrollTop, 10);
var sleft = parseInt(c.scrollLeft, 10);
var sbot = stop + ch;
var sright = sleft + c.clientWidth;
if(ctop < stop){
c.scrollTop = ctop;
}else if(cbot > sbot){
c.scrollTop = cbot-ch;
}
if(hscroll !== false){
if(cleft < sleft){
c.scrollLeft = cleft;
}else if(cright > sright){
c.scrollLeft = cright-c.clientWidth;
}
}
return el;
},
updateColumns : function(){
this.grid.stopEditing();
var cm = this.grid.colModel, colIds = this.getColumnIds();
//var totalWidth = cm.getTotalWidth();
var pos = 0;
for(var i = 0, len = cm.getColumnCount(); i < len; i++){
//if(cm.isHidden(i)) continue;
var w = cm.getColumnWidth(i);
this.css.updateRule(this.colSelector+colIds[i], "width", (w - this.borderWidth) + "px");
this.css.updateRule(this.hdSelector+colIds[i], "width", (w - this.borderWidth) + "px");
}
this.updateSplitters();
},
generateRules : function(cm){
var ruleBuf = [];
for(var i = 0, len = cm.getColumnCount(); i < len; i++){
var cid = cm.getColumnId(i);
var align = '';
if(cm.config[i].align){
align = 'text-align:'+cm.config[i].align+';';
}
var hidden = '';
if(cm.isHidden(i)){
hidden = 'display:none;';
}
var width = "width:" + (cm.getColumnWidth(i) - this.borderWidth) + "px;";
ruleBuf.push(
this.colSelector, cid, " {\n", cm.config[i].css, align, width, "\n}\n",
this.hdSelector, cid, " {\n", align, width, "}\n",
this.tdSelector, cid, " {\n",hidden,"\n}\n",
this.splitSelector, cid, " {\n", hidden , "\n}\n");
}
return Ext.util.CSS.createStyleSheet(ruleBuf.join(""));
},
updateSplitters : function(){
var cm = this.cm, s = this.getSplitters();
if(s){ // splitters not created yet
var pos = 0, locked = true;
for(var i = 0, len = cm.getColumnCount(); i < len; i++){
if(cm.isHidden(i)) continue;
var w = cm.getColumnWidth(i);
if(!cm.isLocked(i) && locked){
pos = 0;
locked = false;
}
pos += w;
s[i].style.left = (pos-this.splitOffset) + "px";
}
}
},
handleHiddenChange : function(colModel, colIndex, hidden){
if(hidden){
this.hideColumn(colIndex);
}else{
this.unhideColumn(colIndex);
}
},
hideColumn : function(colIndex){
var cid = this.getColumnId(colIndex);
this.css.updateRule(this.tdSelector+cid, "display", "none");
this.css.updateRule(this.splitSelector+cid, "display", "none");
if(Ext.isSafari){
this.updateHeaders();
}
this.updateSplitters();
this.layout();
},
unhideColumn : function(colIndex){
var cid = this.getColumnId(colIndex);
this.css.updateRule(this.tdSelector+cid, "display", "");
this.css.updateRule(this.splitSelector+cid, "display", "");
if(Ext.isSafari){
this.updateHeaders();
}
this.updateSplitters();
this.layout();
},
insertRows : function(dm, firstRow, lastRow, isUpdate){
if(firstRow == 0 && lastRow == dm.getCount()-1){
this.refresh();
}else{
if(!isUpdate){
this.fireEvent("beforerowsinserted", this, firstRow, lastRow);
}
var s = this.getScrollState();
var markup = this.renderRows(firstRow, lastRow);
this.bufferRows(markup[0], this.getLockedTable(), firstRow);
this.bufferRows(markup[1], this.getBodyTable(), firstRow);
this.restoreScroll(s);
if(!isUpdate){
this.fireEvent("rowsinserted", this, firstRow, lastRow);
this.syncRowHeights(firstRow, lastRow);
this.stripeRows(firstRow);
this.layout();
}
}
},
bufferRows : function(markup, target, index){
var before = null, trows = target.rows, tbody = target.tBodies[0];
if(index < trows.length){
before = trows[index];
}
var b = document.createElement("div");
b.innerHTML = "<table><tbody>"+markup+"</tbody></table>";
var rows = b.firstChild.rows;
for(var i = 0, len = rows.length; i < len; i++){
if(before){
tbody.insertBefore(rows[0], before);
}else{
tbody.appendChild(rows[0]);
}
}
b.innerHTML = "";
b = null;
},
deleteRows : function(dm, firstRow, lastRow){
if(dm.getRowCount()<1){
this.fireEvent("beforerefresh", this);
this.mainBody.update("");
this.lockedBody.update("");
this.fireEvent("refresh", this);
}else{
this.fireEvent("beforerowsdeleted", this, firstRow, lastRow);
var bt = this.getBodyTable();
var tbody = bt.firstChild;
var rows = bt.rows;
for(var rowIndex = firstRow; rowIndex <= lastRow; rowIndex++){
tbody.removeChild(rows[firstRow]);
}
this.stripeRows(firstRow);
this.fireEvent("rowsdeleted", this, firstRow, lastRow);
}
},
updateRows : function(dataSource, firstRow, lastRow){
var s = this.getScrollState();
this.refresh();
this.restoreScroll(s);
},
handleSort : function(dataSource, sortColumnIndex, sortDir, noRefresh){
if(!noRefresh){
this.refresh();
}
this.updateHeaderSortState();
},
getScrollState : function(){
var sb = this.scroller.dom;
return {left: sb.scrollLeft, top: sb.scrollTop};
},
stripeRows : function(startRow){
if(!this.grid.stripeRows || this.ds.getCount() < 1){
return;
}
startRow = startRow || 0;
var rows = this.getBodyTable().rows;
var lrows = this.getLockedTable().rows;
var cls = ' x-grid-row-alt ';
for(var i = startRow, len = rows.length; i < len; i++){
var row = rows[i], lrow = lrows[i];
var isAlt = ((i+1) % 2 == 0);
var hasAlt = (' '+row.className + ' ').indexOf(cls) != -1;
if(isAlt == hasAlt){
continue;
}
if(isAlt){
row.className += " x-grid-row-alt";
}else{
row.className = row.className.replace("x-grid-row-alt", "");
}
if(lrow){
lrow.className = row.className;
}
}
},
restoreScroll : function(state){
var sb = this.scroller.dom;
sb.scrollLeft = state.left;
sb.scrollTop = state.top;
this.syncScroll();
},
syncScroll : function(){
var sb = this.scroller.dom;
var sh = this.mainHd.dom;
var bs = this.mainBody.dom;
var lv = this.lockedBody.dom;
sh.scrollLeft = bs.scrollLeft = sb.scrollLeft;
lv.scrollTop = bs.scrollTop = sb.scrollTop;
},
handleScroll : function(e){
this.syncScroll();
var sb = this.scroller.dom;
this.grid.fireEvent("bodyscroll", sb.scrollLeft, sb.scrollTop);
e.stopEvent();
},
handleWheel : function(e){
var d = e.getWheelDelta();
this.scroller.dom.scrollTop -= d*22;
// set this here to prevent jumpy scrolling on large tables
this.lockedBody.dom.scrollTop = this.mainBody.dom.scrollTop = this.scroller.dom.scrollTop;
e.stopEvent();
},
renderRows : function(startRow, endRow){
// pull in all the crap needed to render rows
var g = this.grid, cm = g.colModel, ds = g.dataSource, stripe = g.stripeRows;
var colCount = cm.getColumnCount();
if(ds.getCount() < 1){
return ["", ""];
}
// build a map for all the columns
var cs = [];
for(var i = 0; i < colCount; i++){
var name = cm.getDataIndex(i);
cs[i] = {
name : typeof name == 'undefined' ? ds.fields.get(i).name : name,
renderer : cm.getRenderer(i),
id : cm.getColumnId(i),
locked : cm.isLocked(i)
};
}
startRow = startRow || 0;
endRow = typeof endRow == "undefined"? ds.getCount()-1 : endRow;
// records to render
var rs = ds.getRange(startRow, endRow);
return this.doRender(cs, rs, ds, startRow, colCount, stripe);
},
// As much as I hate to duplicate code, this was branched because FireFox really hates
// [].join("") on strings. The performance difference was substantial enough to
// branch this function
doRender : Ext.isGecko ?
function(cs, rs, ds, startRow, colCount, stripe){
var ts = this.templates, ct = ts.cell, rt = ts.row;
// buffers
var buf = "", lbuf = "", cb, lcb, c, p = {}, rp = {}, r, rowIndex;
for(var j = 0, len = rs.length; j < len; j++){
r = rs[j]; cb = ""; lcb = ""; rowIndex = (j+startRow);
for(var i = 0; i < colCount; i++){
c = cs[i];
p.cellId = "x-grid-cell-" + rowIndex + "-" + i;
p.id = c.id;
p.css = p.attr = "";
p.value = c.renderer(r.data[c.name], p, r, rowIndex, i, ds);
if(p.value == undefined || p.value === "") p.value = " ";
if(r.dirty && typeof r.modified[c.name] !== 'undefined'){
p.css += p.css ? ' x-grid-dirty-cell' : 'x-grid-dirty-cell';
}
var markup = ct.apply(p);
if(!c.locked){
cb+= markup;
}else{
lcb+= markup;
}
}
var alt = [];
if(stripe && ((rowIndex+1) % 2 == 0)){
alt[0] = "x-grid-row-alt";
}
if(r.dirty){
alt[1] = " x-grid-dirty-row";
}
rp.cells = lcb;
if(this.getRowClass){
alt[2] = this.getRowClass(r, rowIndex);
}
rp.alt = alt.join(" ");
lbuf+= rt.apply(rp);
rp.cells = cb;
buf+= rt.apply(rp);
}
return [lbuf, buf];
} :
function(cs, rs, ds, startRow, colCount, stripe){
var ts = this.templates, ct = ts.cell, rt = ts.row;
// buffers
var buf = [], lbuf = [], cb, lcb, c, p = {}, rp = {}, r, rowIndex;
for(var j = 0, len = rs.length; j < len; j++){
r = rs[j]; cb = []; lcb = []; rowIndex = (j+startRow);
for(var i = 0; i < colCount; i++){
c = cs[i];
p.cellId = "x-grid-cell-" + rowIndex + "-" + i;
p.id = c.id;
p.css = p.attr = "";
p.value = c.renderer(r.data[c.name], p, r, rowIndex, i, ds);
if(p.value == undefined || p.value === "") p.value = " ";
if(r.dirty && typeof r.modified[c.name] !== 'undefined'){
p.css += p.css ? ' x-grid-dirty-cell' : 'x-grid-dirty-cell';
}
var markup = ct.apply(p);
if(!c.locked){
cb[cb.length] = markup;
}else{
lcb[lcb.length] = markup;
}
}
var alt = [];
if(stripe && ((rowIndex+1) % 2 == 0)){
alt[0] = "x-grid-row-alt";
}
if(r.dirty){
alt[1] = " x-grid-dirty-row";
}
rp.cells = lcb;
if(this.getRowClass){
alt[2] = this.getRowClass(r, rowIndex);
}
rp.alt = alt.join(" ");
rp.cells = lcb.join("");
lbuf[lbuf.length] = rt.apply(rp);
rp.cells = cb.join("");
buf[buf.length] = rt.apply(rp);
}
return [lbuf.join(""), buf.join("")];
},
renderBody : function(){
var markup = this.renderRows();
var bt = this.templates.body;
return [bt.apply({rows: markup[0]}), bt.apply({rows: markup[1]})];
},
/**
* Refreshes the grid
* @param {Boolean} headersToo
*/
refresh : function(headersToo){
this.fireEvent("beforerefresh", this);
this.grid.stopEditing();
var result = this.renderBody();
this.lockedBody.update(result[0]);
this.mainBody.update(result[1]);
if(headersToo === true){
this.updateHeaders();
this.updateColumns();
this.updateSplitters();
this.updateHeaderSortState();
}
this.syncRowHeights();
this.layout();
this.fireEvent("refresh", this);
},
handleColumnMove : function(cm, oldIndex, newIndex){
this.indexMap = null;
var s = this.getScrollState();
this.refresh(true);
this.restoreScroll(s);
this.afterMove(newIndex);
},
afterMove : function(colIndex){
if(this.enableMoveAnim && Ext.enableFx){
this.fly(this.getHeaderCell(colIndex).firstChild).highlight(this.hlColor);
}
},
updateCell : function(dm, rowIndex, dataIndex){
var colIndex = this.getColumnIndexByDataIndex(dataIndex);
if(typeof colIndex == "undefined"){ // not present in grid
return;
}
var cm = this.grid.colModel;
var cell = this.getCell(rowIndex, colIndex);
var cellText = this.getCellText(rowIndex, colIndex);
var p = {
cellId : "x-grid-cell-" + rowIndex + "-" + colIndex,
id : cm.getColumnId(colIndex),
css: colIndex == cm.getColumnCount()-1 ? "x-grid-col-last" : ""
};
var renderer = cm.getRenderer(colIndex);
var val = renderer(dm.getValueAt(rowIndex, dataIndex), p, rowIndex, colIndex, dm);
if(typeof val == "undefined" || val === "") val = " ";
cellText.innerHTML = val;
cell.className = this.cellClass + " " + p.cellId + " " + p.css;
this.syncRowHeights(rowIndex, rowIndex);
},
calcColumnWidth : function(colIndex, maxRowsToMeasure){
var maxWidth = 0;
if(this.grid.autoSizeHeaders){
var h = this.getHeaderCellMeasure(colIndex);
maxWidth = Math.max(maxWidth, h.scrollWidth);
}
var tb, index;
if(this.cm.isLocked(colIndex)){
tb = this.getLockedTable();
index = colIndex;
}else{
tb = this.getBodyTable();
index = colIndex - this.cm.getLockedCount();
}
if(tb && tb.rows){
var rows = tb.rows;
var stopIndex = Math.min(maxRowsToMeasure || rows.length, rows.length);
for(var i = 0; i < stopIndex; i++){
var cell = rows[i].childNodes[index].firstChild;
maxWidth = Math.max(maxWidth, cell.scrollWidth);
}
}
return maxWidth + /*margin for error in IE*/ 5;
},
/**
* Autofit a column to its content.
* @param {Number} colIndex
* @param {Boolean} forceMinSize true to force the column to go smaller if possible
*/
autoSizeColumn : function(colIndex, forceMinSize, suppressEvent){
if(this.cm.isHidden(colIndex)){
return; // can't calc a hidden column
}
if(forceMinSize){
var cid = this.cm.getColumnId(colIndex);
this.css.updateRule(this.colSelector + cid, "width", this.grid.minColumnWidth + "px");
if(this.grid.autoSizeHeaders){
this.css.updateRule(this.hdSelector + cid, "width", this.grid.minColumnWidth + "px");
}
}
var newWidth = this.calcColumnWidth(colIndex);
this.cm.setColumnWidth(colIndex,
Math.max(this.grid.minColumnWidth, newWidth), suppressEvent);
if(!suppressEvent){
this.grid.fireEvent("columnresize", colIndex, newWidth);
}
},
/**
* Autofits all columns to their content and then expands to fit any extra space in the grid
*/
autoSizeColumns : function(){
var cm = this.grid.colModel;
var colCount = cm.getColumnCount();
for(var i = 0; i < colCount; i++){
this.autoSizeColumn(i, true, true);
}
if(cm.getTotalWidth() < this.scroller.dom.clientWidth){
this.fitColumns();
}else{
this.updateColumns();
this.layout();
}
},
/**
* Autofits all columns to the grid's width proportionate with their current size
* @param {Boolean} reserveScrollSpace Reserve space for a scrollbar
*/
fitColumns : function(reserveScrollSpace){
var cm = this.grid.colModel;
var colCount = cm.getColumnCount();
var cols = [];
var width = 0;
var i, w;
for (i = 0; i < colCount; i++){
if(!cm.isHidden(i) && !cm.isFixed(i)){
w = cm.getColumnWidth(i);
cols.push(i);
cols.push(w);
width += w;
}
}
var avail = Math.min(this.scroller.dom.clientWidth, this.el.getWidth());
if(reserveScrollSpace){
avail -= 17;
}
var frac = (avail - cm.getTotalWidth())/width;
while (cols.length){
w = cols.pop();
i = cols.pop();
cm.setColumnWidth(i, Math.floor(w + w*frac), true);
}
this.updateColumns();
this.layout();
},
onRowSelect : function(rowIndex){
var row = this.getRowComposite(rowIndex);
row.addClass("x-grid-row-selected");
},
onRowDeselect : function(rowIndex){
var row = this.getRowComposite(rowIndex);
row.removeClass("x-grid-row-selected");
},
onCellSelect : function(row, col){
var cell = this.getCell(row, col);
if(cell){
Ext.fly(cell).addClass("x-grid-cell-selected");
}
},
onCellDeselect : function(row, col){
var cell = this.getCell(row, col);
if(cell){
Ext.fly(cell).removeClass("x-grid-cell-selected");
}
},
updateHeaderSortState : function(){
var state = this.ds.getSortState();
if(!state){
return;
}
this.sortState = state;
var sortColumn = this.cm.findColumnIndex(state.field);
if(sortColumn != -1){
var sortDir = state.direction;
var sc = this.sortClasses;
var hds = this.el.select(this.headerSelector).removeClass(sc);
hds.item(sortColumn).addClass(sc[sortDir == "DESC" ? 1 : 0]);
}
},
handleHeaderClick : function(g, index){
if(this.headersDisabled){
return;
}
var dm = g.store, cm = g.colModel;
if(!cm.isSortable(index)){
return;
}
g.stopEditing();
dm.sort(cm.getDataIndex(index));
},
destroy : function(){
if(this.colMenu){
this.colMenu.removeAll();
Ext.menu.MenuMgr.unregister(this.colMenu);
this.colMenu.getEl().remove();
delete this.colMenu;
}
if(this.hmenu){
this.hmenu.removeAll();
Ext.menu.MenuMgr.unregister(this.hmenu);
this.hmenu.getEl().remove();
delete this.hmenu;
}
if(this.grid.enableColumnMove){
var dds = Ext.dd.DDM.ids['gridHeader' + this.grid.getGridEl().id];
if(dds){
for(var dd in dds){
if(!dds[dd].config.isTarget && dds[dd].dragElId){
var elid = dds[dd].dragElId;
dds[dd].unreg();
Ext.get(elid).remove();
} else if(dds[dd].config.isTarget){
dds[dd].proxyTop.remove();
dds[dd].proxyBottom.remove();
dds[dd].unreg();
}
if(Ext.dd.DDM.locationCache[dd]){
delete Ext.dd.DDM.locationCache[dd];
}
}
delete Ext.dd.DDM.ids['gridHeader' + this.grid.getGridEl().id];
}
}
this.bind(null, null);
Ext.EventManager.removeResizeListener(this.onWindowResize, this);
},
handleLockChange : function(){
this.refresh(true);
},
onDenyColumnLock : function(){
},
onDenyColumnHide : function(){
},
handleHdMenuClick : function(item){
var index = this.hdCtxIndex;
var cm = this.cm, ds = this.ds;
switch(item.id){
case "asc":
ds.sort(cm.getDataIndex(index), "ASC");
break;
case "desc":
ds.sort(cm.getDataIndex(index), "DESC");
break;
case "lock":
var lc = cm.getLockedCount();
if(cm.getColumnCount(true) <= lc+1){
this.onDenyColumnLock();
return;
}
if(lc != index){
cm.setLocked(index, true, true);
cm.moveColumn(index, lc);
this.grid.fireEvent("columnmove", index, lc);
}else{
cm.setLocked(index, true);
}
break;
case "unlock":
var lc = cm.getLockedCount();
if((lc-1) != index){
cm.setLocked(index, false, true);
cm.moveColumn(index, lc-1);
this.grid.fireEvent("columnmove", index, lc-1);
}else{
cm.setLocked(index, false);
}
break;
default:
index = cm.getIndexById(item.id.substr(4));
if(index != -1){
if(item.checked && cm.getColumnCount(true) <= 1){
this.onDenyColumnHide();
return false;
}
cm.setHidden(index, item.checked);
}
}
return true;
},
beforeColMenuShow : function(){
var cm = this.cm, colCount = cm.getColumnCount();
this.colMenu.removeAll();
for(var i = 0; i < colCount; i++){
this.colMenu.add(new Ext.menu.CheckItem({
id: "col-"+cm.getColumnId(i),
text: cm.getColumnHeader(i),
checked: !cm.isHidden(i),
hideOnClick:false
}));
}
},
handleHdCtx : function(g, index, e){
e.stopEvent();
var hd = this.getHeaderCell(index);
this.hdCtxIndex = index;
var ms = this.hmenu.items, cm = this.cm;
ms.get("asc").setDisabled(!cm.isSortable(index));
ms.get("desc").setDisabled(!cm.isSortable(index));
if(this.grid.enableColLock !== false){
ms.get("lock").setDisabled(cm.isLocked(index));
ms.get("unlock").setDisabled(!cm.isLocked(index));
}
this.hmenu.show(hd, "tl-bl");
},
handleHdOver : function(e){
var hd = this.findHeaderCell(e.getTarget());
if(hd && !this.headersDisabled){
if(this.grid.colModel.isSortable(this.getCellIndex(hd))){
this.fly(hd).addClass("x-grid-hd-over");
}
}
},
handleHdOut : function(e){
var hd = this.findHeaderCell(e.getTarget());
if(hd){
this.fly(hd).removeClass("x-grid-hd-over");
}
},
handleSplitDblClick : function(e, t){
var i = this.getCellIndex(t);
if(this.grid.enableColumnResize !== false && this.cm.isResizable(i) && !this.cm.isFixed(i)){
this.autoSizeColumn(i, true);
this.layout();
}
},
render : function(){
var cm = this.cm;
var colCount = cm.getColumnCount();
if(this.grid.monitorWindowResize === true){
Ext.EventManager.onWindowResize(this.onWindowResize, this, true);
}
var header = this.renderHeaders();
var body = this.templates.body.apply({rows:""});
var html = this.templates.master.apply({
lockedBody: body,
body: body,
lockedHeader: header[0],
header: header[1]
});
//this.updateColumns();
this.grid.getGridEl().dom.innerHTML = html;
this.initElements();
this.scroller.on("scroll", this.handleScroll, this);
this.lockedBody.on("mousewheel", this.handleWheel, this);
this.mainBody.on("mousewheel", this.handleWheel, this);
this.mainHd.on("mouseover", this.handleHdOver, this);
this.mainHd.on("mouseout", this.handleHdOut, this);
this.mainHd.on("dblclick", this.handleSplitDblClick, this,
{delegate: "."+this.splitClass});
this.lockedHd.on("mouseover", this.handleHdOver, this);
this.lockedHd.on("mouseout", this.handleHdOut, this);
this.lockedHd.on("dblclick", this.handleSplitDblClick, this,
{delegate: "."+this.splitClass});
if(this.grid.enableColumnResize !== false && Ext.grid.SplitDragZone){
new Ext.grid.SplitDragZone(this.grid, this.lockedHd.dom, this.mainHd.dom);
}
this.updateSplitters();
if(this.grid.enableColumnMove && Ext.grid.HeaderDragZone){
new Ext.grid.HeaderDragZone(this.grid, this.lockedHd.dom, this.mainHd.dom);
new Ext.grid.HeaderDropZone(this.grid, this.lockedHd.dom, this.mainHd.dom);
}
if(this.grid.enableCtxMenu !== false && Ext.menu.Menu){
this.hmenu = new Ext.menu.Menu({id: this.grid.id + "-hctx"});
this.hmenu.add(
{id:"asc", text: this.sortAscText, cls: "xg-hmenu-sort-asc"},
{id:"desc", text: this.sortDescText, cls: "xg-hmenu-sort-desc"}
);
if(this.grid.enableColLock !== false){
this.hmenu.add('-',
{id:"lock", text: this.lockText, cls: "xg-hmenu-lock"},
{id:"unlock", text: this.unlockText, cls: "xg-hmenu-unlock"}
);
}
if(this.grid.enableColumnHide !== false){
this.colMenu = new Ext.menu.Menu({id:this.grid.id + "-hcols-menu"});
this.colMenu.on("beforeshow", this.beforeColMenuShow, this);
this.colMenu.on("itemclick", this.handleHdMenuClick, this);
this.hmenu.add('-',
{id:"columns", text: this.columnsText, menu: this.colMenu}
);
}
this.hmenu.on("itemclick", this.handleHdMenuClick, this);
this.grid.on("headercontextmenu", this.handleHdCtx, this);
}
if((this.grid.enableDragDrop || this.grid.enableDrag) && Ext.grid.GridDragZone){
this.dd = new Ext.grid.GridDragZone(this.grid, {
ddGroup : this.grid.ddGroup || 'GridDD'
});
}
/*
for(var i = 0; i < colCount; i++){
if(cm.isHidden(i)){
this.hideColumn(i);
}
if(cm.config[i].align){
this.css.updateRule(this.colSelector + i, "textAlign", cm.config[i].align);
this.css.updateRule(this.hdSelector + i, "textAlign", cm.config[i].align);
}
}*/
this.updateHeaderSortState();
this.beforeInitialResize();
this.layout(true);
// two part rendering gives faster view to the user
this.renderPhase2.defer(1, this);
},
renderPhase2 : function(){
// render the rows now
this.refresh();
if(this.grid.autoSizeColumns){
this.autoSizeColumns();
}
},
beforeInitialResize : function(){
},
onColumnSplitterMoved : function(i, w){
this.userResized = true;
var cm = this.grid.colModel;
cm.setColumnWidth(i, w, true);
var cid = cm.getColumnId(i);
this.css.updateRule(this.colSelector + cid, "width", (w-this.borderWidth) + "px");
this.css.updateRule(this.hdSelector + cid, "width", (w-this.borderWidth) + "px");
this.updateSplitters();
this.layout();
this.grid.fireEvent("columnresize", i, w);
},
syncRowHeights : function(startIndex, endIndex){
if(this.grid.enableRowHeightSync === true && this.cm.getLockedCount() > 0){
startIndex = startIndex || 0;
var mrows = this.getBodyTable().rows;
var lrows = this.getLockedTable().rows;
var len = mrows.length-1;
endIndex = Math.min(endIndex || len, len);
for(var i = startIndex; i <= endIndex; i++){
var m = mrows[i], l = lrows[i];
var h = Math.max(m.offsetHeight, l.offsetHeight);
m.style.height = l.style.height = h + "px";
}
}
},
layout : function(initialRender, is2ndPass){
var g = this.grid;
var auto = g.autoHeight;
var scrollOffset = 16;
var c = g.getGridEl(), cm = this.cm,
expandCol = g.autoExpandColumn,
gv = this;
//c.beginMeasure();
if(!c.dom.offsetWidth){ // display:none?
if(initialRender){
this.lockedWrap.show();
this.mainWrap.show();
}
return;
}
var hasLock = this.cm.isLocked(0);
var tbh = this.headerPanel.getHeight();
var bbh = this.footerPanel.getHeight();
if(auto){
var ch = this.getBodyTable().offsetHeight + tbh + bbh + this.mainHd.getHeight();
var newHeight = ch + c.getBorderWidth("tb");
if(g.maxHeight){
newHeight = Math.min(g.maxHeight, newHeight);
}
c.setHeight(newHeight);
}
if(g.autoWidth){
c.setWidth(cm.getTotalWidth()+c.getBorderWidth('lr'));
}
var s = this.scroller;
var csize = c.getSize(true);
this.el.setSize(csize.width, csize.height);
this.headerPanel.setWidth(csize.width);
this.footerPanel.setWidth(csize.width);
var hdHeight = this.mainHd.getHeight();
var vw = csize.width;
var vh = csize.height - (tbh + bbh);
s.setSize(vw, vh);
var bt = this.getBodyTable();
var ltWidth = hasLock ?
Math.max(this.getLockedTable().offsetWidth, this.lockedHd.dom.firstChild.offsetWidth) : 0;
var scrollHeight = bt.offsetHeight;
var scrollWidth = ltWidth + bt.offsetWidth;
var vscroll = false, hscroll = false;
this.scrollSizer.setSize(scrollWidth, scrollHeight+hdHeight);
var lw = this.lockedWrap, mw = this.mainWrap;
var lb = this.lockedBody, mb = this.mainBody;
setTimeout(function(){
var t = s.dom.offsetTop;
var w = s.dom.clientWidth,
h = s.dom.clientHeight;
lw.setTop(t);
lw.setSize(ltWidth, h);
mw.setLeftTop(ltWidth, t);
mw.setSize(w-ltWidth, h);
lb.setHeight(h-hdHeight);
mb.setHeight(h-hdHeight);
if(is2ndPass !== true && !gv.userResized && expandCol){
// high speed resize without full column calculation
var ci = cm.getIndexById(expandCol);
var tw = cm.getTotalWidth(false);
var currentWidth = cm.getColumnWidth(ci);
var cw = Math.min(Math.max(((w-tw)+currentWidth-2)-/*scrollbar*/(w <= s.dom.offsetWidth ? 0 : 18), g.autoExpandMin), g.autoExpandMax);
if(currentWidth != cw){
cm.setColumnWidth(ci, cw, true);
gv.css.updateRule(gv.colSelector+expandCol, "width", (cw - gv.borderWidth) + "px");
gv.css.updateRule(gv.hdSelector+expandCol, "width", (cw - gv.borderWidth) + "px");
gv.updateSplitters();
gv.layout(false, true);
}
}
if(initialRender){
lw.show();
mw.show();
}
//c.endMeasure();
}, 10);
},
onWindowResize : function(){
if(!this.grid.monitorWindowResize || this.grid.autoHeight){
return;
}
this.layout();
},
appendFooter : function(parentEl){
return null;
},
sortAscText : "Sort Ascending",
sortDescText : "Sort Descending",
lockText : "Lock Column",
unlockText : "Unlock Column",
columnsText : "Columns"
});