/**
* @class Ext.grid.GridView
* @extends Ext.util.Observable
* This class encapsulates the user interface of an {@link Ext.grid.GridPanel}.
* Methods of this class may be used to access user interface elements to enable
* special display effects. Do not change the DOM structure of the user interface.
* This class does not provide ways to manipulate the underlying data. The data
* model of a Grid is held in an {@link Ext.data.Store}.
* @constructor
* @param {Object} config
*/
Ext.grid.GridView = Ext.extend(Ext.util.Observable, {
/**
* Override this function to apply custom CSS classes to rows during rendering. You can also supply custom
* parameters to the row template for the current row to customize how it is rendered using the rowParams
* parameter. This function should return the CSS class name (or empty string '' for none) that will be added
* to the row's wrapping div. To apply multiple class names, simply return them space-delimited within the string
* (e.g., 'my-class another-class'). Example usage:
viewConfig: {
forceFit: true,
showPreview: true, // custom property
enableRowBody: true, // required to create a second, full-width row to show expanded Record data
getRowClass: function(record, rowIndex, rp, ds){ // rp = rowParams
if(this.showPreview){
rp.body = '<p>'+record.data.excerpt+'</p>';
return 'x-grid3-row-expanded';
}
return 'x-grid3-row-collapsed';
}
},
* @param {Record} record The {@link Ext.data.Record} corresponding to the current row.
* @param {Number} index The row index.
* @param {Object} rowParams A config object that is passed to the row template during rendering that allows
* customization of various aspects of a grid row.
* If {@link #enableRowBody} is configured true, then the following properties may be set
* by this function, and will be used to render a full-width expansion row below each grid row:
*
* The following property will be passed in, and may be appended to:
*
* @param {Store} store The {@link Ext.data.Store} this grid is bound to
* @method getRowClass
* @return {String} a CSS class name to add to the row.
*/
/**
* @cfg {Boolean} enableRowBody True to add a second TR element per row that can be used to provide a row body
* that spans beneath the data row. Use the {@link #getRowClass} method's rowParams config to customize the row body.
*/
/**
* @cfg {String} emptyText Default text (html tags are accepted) to display in the grid body when no rows
* are available (defaults to ''). This value will be used to update the {@link #mainBody}:
this.mainBody.update('<div class="x-grid-empty">' + this.emptyText + '</div>');
*/
/**
* @cfg {Boolean} headersDisabled True to disable the grid column headers (defaults to false).
* Use the {@link Ext.grid.ColumnModel ColumnModel} {@link Ext.grid.ColumnModel#menuDisabled menuDisabled}
* config to disable the menu for individual columns. While this config is true the
* following will be disabled:
* - clicking on header to sort
* - the trigger to reveal the menu.
*
A customized implementation of a {@link Ext.dd.DragZone DragZone} which provides default implementations
* of the template methods of DragZone to enable dragging of the selected rows of a GridPanel.
* See {@link Ext.grid.GridDragZone} for details.
* This will only be present:
* - if the owning GridPanel was configured with {@link Ext.grid.GridPanel#enableDragDrop enableDragDrop}: true.
* - after the owning GridPanel has been rendered.
*
.x-grid3-row-selected {background-color: yellow;}
* Note that this only controls the row, and will not do anything for the text inside it. To style inner
* facets (like text) use something like:
.x-grid3-row-selected .x-grid3-cell-inner {
color: #FFCC00;
}
* @type String
*/
selectedRowClass : 'x-grid3-row-selected',
// private
borderWidth : 2,
tdClass : 'x-grid3-cell',
hdCls : 'x-grid3-hd',
markDirty : true,
/**
* @cfg {Number} cellSelectorDepth The number of levels to search for cells in event delegation (defaults to 4)
*/
cellSelectorDepth : 4,
/**
* @cfg {Number} rowSelectorDepth The number of levels to search for rows in event delegation (defaults to 10)
*/
rowSelectorDepth : 10,
/**
* @cfg {Number} rowBodySelectorDepth The number of levels to search for row bodies in event delegation (defaults to 10)
*/
rowBodySelectorDepth : 10,
/**
* @cfg {String} cellSelector The selector used to find cells internally (defaults to 'td.x-grid3-cell')
*/
cellSelector : 'td.x-grid3-cell',
/**
* @cfg {String} rowSelector The selector used to find rows internally (defaults to 'div.x-grid3-row')
*/
rowSelector : 'div.x-grid3-row',
/**
* @cfg {String} rowBodySelector The selector used to find row bodies internally (defaults to 'div.x-grid3-row')
*/
rowBodySelector : 'div.x-grid3-row-body',
// private
firstRowCls: 'x-grid3-row-first',
lastRowCls: 'x-grid3-row-last',
rowClsRe: /(?:^|\s+)x-grid3-row-(first|last|alt)(?:\s+|$)/g,
constructor : function(config){
Ext.apply(this, config);
// These events are only used internally by the grid components
this.addEvents(
/**
* @event beforerowremoved
* Internal UI Event. Fired before a row is removed.
* @param {Ext.grid.GridView} view
* @param {Number} rowIndex The index of the row to be removed.
* @param {Ext.data.Record} record The Record to be removed
*/
'beforerowremoved',
/**
* @event beforerowsinserted
* Internal UI Event. Fired before rows are inserted.
* @param {Ext.grid.GridView} view
* @param {Number} firstRow The index of the first row to be inserted.
* @param {Number} lastRow The index of the last row to be inserted.
*/
'beforerowsinserted',
/**
* @event beforerefresh
* Internal UI Event. Fired before the view is refreshed.
* @param {Ext.grid.GridView} view
*/
'beforerefresh',
/**
* @event rowremoved
* Internal UI Event. Fired after a row is removed.
* @param {Ext.grid.GridView} view
* @param {Number} rowIndex The index of the row that was removed.
* @param {Ext.data.Record} record The Record that was removed
*/
'rowremoved',
/**
* @event rowsinserted
* Internal UI Event. Fired after rows are inserted.
* @param {Ext.grid.GridView} view
* @param {Number} firstRow The index of the first inserted.
* @param {Number} lastRow The index of the last row inserted.
*/
'rowsinserted',
/**
* @event rowupdated
* Internal UI Event. Fired after a row has been updated.
* @param {Ext.grid.GridView} view
* @param {Number} firstRow The index of the row updated.
* @param {Ext.data.record} record The Record backing the row updated.
*/
'rowupdated',
/**
* @event refresh
* Internal UI Event. Fired after the GridView's body has been refreshed.
* @param {Ext.grid.GridView} view
*/
'refresh'
);
Ext.grid.GridView.superclass.constructor.call(this);
},
/* -------------------------------- UI Specific ----------------------------- */
// private
initTemplates : function(){
var ts = this.templates || {};
if(!ts.master){
ts.master = new Ext.Template(
''
);
}
if(!ts.header){
ts.header = new Ext.Template(
''
);
}
if(!ts.hcell){
ts.hcell = new Ext.Template(
'', this.grid.enableHdMenu ? ' ' : '',
'{value}  ',
' | '
);
}
if(!ts.body){
ts.body = new Ext.Template('{rows}');
}
if(!ts.row){
ts.row = new Ext.Template(
'',
'{cells}
',
(this.enableRowBody ? '{body} |
' : ''),
'
',
' {value} ',
' | '
);
}
for(var k in ts){
var t = ts[k];
if(t && Ext.isFunction(t.compile) && !t.compiled){
t.disableFormats = true;
t.compile();
}
}
this.templates = ts;
this.colRe = new RegExp('x-grid3-td-([^\\s]+)', '');
},
// private
fly : function(el){
if(!this._flyweight){
this._flyweight = new Ext.Element.Flyweight(document.body);
}
this._flyweight.dom = el;
return this._flyweight;
},
// private
getEditorParent : function(){
return this.scroller.dom;
},
// private
initElements : function(){
var E = Ext.Element;
var el = this.grid.getGridEl().dom.firstChild;
var cs = el.childNodes;
this.el = new E(el);
this.mainWrap = new E(cs[0]);
this.mainHd = new E(this.mainWrap.dom.firstChild);
if(this.grid.hideHeaders){
this.mainHd.setDisplayed(false);
}
this.innerHd = this.mainHd.dom.firstChild;
this.scroller = new E(this.mainWrap.dom.childNodes[1]);
if(this.forceFit){
this.scroller.setStyle('overflow-x', 'hidden');
}
/**
* Read-only. The GridView's body Element which encapsulates all rows in the Grid.
* This {@link Ext.Element Element} is only available after the GridPanel has been rendered.
* @type Ext.Element
* @property mainBody
*/
this.mainBody = new E(this.scroller.dom.firstChild);
this.focusEl = new E(this.scroller.dom.childNodes[1]);
this.focusEl.swallowEvent('click', true);
this.resizeMarker = new E(cs[1]);
this.resizeProxy = new E(cs[2]);
},
// private
getRows : function(){
return this.hasRows() ? this.mainBody.dom.childNodes : [];
},
// finder methods, used with delegation
// private
findCell : function(el){
if(!el){
return false;
}
return this.fly(el).findParent(this.cellSelector, this.cellSelectorDepth);
},
/**
* Return the index of the grid column which contains the passed HTMLElement.
* See also {@link #findRowIndex}
* @param {HTMLElement} el The target element
* @return {Number} The column index, or false if the target element is not within a row of this GridView.
*/
findCellIndex : function(el, requiredCls){
var cell = this.findCell(el);
if(cell && (!requiredCls || this.fly(cell).hasClass(requiredCls))){
return this.getCellIndex(cell);
}
return false;
},
// private
getCellIndex : function(el){
if(el){
var m = el.className.match(this.colRe);
if(m && m[1]){
return this.cm.getIndexById(m[1]);
}
}
return false;
},
// private
findHeaderCell : function(el){
var cell = this.findCell(el);
return cell && this.fly(cell).hasClass(this.hdCls) ? cell : null;
},
// private
findHeaderIndex : function(el){
return this.findCellIndex(el, this.hdCls);
},
/**
* Return the HtmlElement representing the grid row which contains the passed element.
* @param {HTMLElement} el The target HTMLElement
* @return {HTMLElement} The row element, or null if the target element is not within a row of this GridView.
*/
findRow : function(el){
if(!el){
return false;
}
return this.fly(el).findParent(this.rowSelector, this.rowSelectorDepth);
},
/**
* Return the index of the grid row which contains the passed HTMLElement.
* See also {@link #findCellIndex}
* @param {HTMLElement} el The target HTMLElement
* @return {Number} The row index, or false if the target element is not within a row of this GridView.
*/
findRowIndex : function(el){
var r = this.findRow(el);
return r ? r.rowIndex : false;
},
/**
* Return the HtmlElement representing the grid row body which contains the passed element.
* @param {HTMLElement} el The target HTMLElement
* @return {HTMLElement} The row body element, or null if the target element is not within a row body of this GridView.
*/
findRowBody : function(el){
if(!el){
return false;
}
return this.fly(el).findParent(this.rowBodySelector, this.rowBodySelectorDepth);
},
// getter methods for fetching elements dynamically in the grid
/**
* Return the <div> HtmlElement which represents a Grid row for the specified index.
* @param {Number} index The row index
* @return {HtmlElement} The div element.
*/
getRow : function(row){
return this.getRows()[row];
},
/**
* Returns the grid's <td> HtmlElement at the specified coordinates.
* @param {Number} row The row index in which to find the cell.
* @param {Number} col The column index of the cell.
* @return {HtmlElement} The td at the specified coordinates.
*/
getCell : function(row, col){
return this.getRow(row).getElementsByTagName('td')[col];
},
/**
* Return the <td> HtmlElement which represents the Grid's header cell for the specified column index.
* @param {Number} index The column index
* @return {HtmlElement} The td element.
*/
getHeaderCell : function(index){
return this.mainHd.dom.getElementsByTagName('td')[index];
},
// manipulating elements
// private - use getRowClass to apply custom row classes
addRowClass : function(row, cls){
var r = this.getRow(row);
if(r){
this.fly(r).addClass(cls);
}
},
// private
removeRowClass : function(row, cls){
var r = this.getRow(row);
if(r){
this.fly(r).removeClass(cls);
}
},
// private
removeRow : function(row){
Ext.removeNode(this.getRow(row));
this.syncFocusEl(row);
},
// private
removeRows : function(firstRow, lastRow){
var bd = this.mainBody.dom;
for(var rowIndex = firstRow; rowIndex <= lastRow; rowIndex++){
Ext.removeNode(bd.childNodes[firstRow]);
}
this.syncFocusEl(firstRow);
},
// scrolling stuff
// private
getScrollState : function(){
var sb = this.scroller.dom;
return {left: sb.scrollLeft, top: sb.scrollTop};
},
// private
restoreScroll : function(state){
var sb = this.scroller.dom;
sb.scrollLeft = state.left;
sb.scrollTop = state.top;
},
/**
* Scrolls the grid to the top
*/
scrollToTop : function(){
this.scroller.dom.scrollTop = 0;
this.scroller.dom.scrollLeft = 0;
},
// private
syncScroll : function(){
this.syncHeaderScroll();
var mb = this.scroller.dom;
this.grid.fireEvent('bodyscroll', mb.scrollLeft, mb.scrollTop);
},
// private
syncHeaderScroll : function(){
var mb = this.scroller.dom;
this.innerHd.scrollLeft = mb.scrollLeft;
this.innerHd.scrollLeft = mb.scrollLeft; // second time for IE (1/2 time first fails, other browsers ignore)
},
// private
updateSortIcon : function(col, dir){
var sc = this.sortClasses;
var hds = this.mainHd.select('td').removeClass(sc);
hds.item(col).addClass(sc[dir == 'DESC' ? 1 : 0]);
},
// private
updateAllColumnWidths : function(){
var tw = this.getTotalWidth(),
clen = this.cm.getColumnCount(),
ws = [],
len,
i;
for(i = 0; i < clen; i++){
ws[i] = this.getColumnWidth(i);
}
this.innerHd.firstChild.style.width = this.getOffsetWidth();
this.innerHd.firstChild.firstChild.style.width = tw;
this.mainBody.dom.style.width = tw;
for(i = 0; i < clen; i++){
var hd = this.getHeaderCell(i);
hd.style.width = ws[i];
}
var ns = this.getRows(), row, trow;
for(i = 0, len = ns.length; i < len; i++){
row = ns[i];
row.style.width = tw;
if(row.firstChild){
row.firstChild.style.width = tw;
trow = row.firstChild.rows[0];
for (var j = 0; j < clen; j++) {
trow.childNodes[j].style.width = ws[j];
}
}
}
this.onAllColumnWidthsUpdated(ws, tw);
},
// private
updateColumnWidth : function(col, width){
var w = this.getColumnWidth(col);
var tw = this.getTotalWidth();
this.innerHd.firstChild.style.width = this.getOffsetWidth();
this.innerHd.firstChild.firstChild.style.width = tw;
this.mainBody.dom.style.width = tw;
var hd = this.getHeaderCell(col);
hd.style.width = w;
var ns = this.getRows(), row;
for(var i = 0, len = ns.length; i < len; i++){
row = ns[i];
row.style.width = tw;
if(row.firstChild){
row.firstChild.style.width = tw;
row.firstChild.rows[0].childNodes[col].style.width = w;
}
}
this.onColumnWidthUpdated(col, w, tw);
},
// private
updateColumnHidden : function(col, hidden){
var tw = this.getTotalWidth();
this.innerHd.firstChild.style.width = this.getOffsetWidth();
this.innerHd.firstChild.firstChild.style.width = tw;
this.mainBody.dom.style.width = tw;
var display = hidden ? 'none' : '';
var hd = this.getHeaderCell(col);
hd.style.display = display;
var ns = this.getRows(), row;
for(var i = 0, len = ns.length; i < len; i++){
row = ns[i];
row.style.width = tw;
if(row.firstChild){
row.firstChild.style.width = tw;
row.firstChild.rows[0].childNodes[col].style.display = display;
}
}
this.onColumnHiddenUpdated(col, hidden, tw);
delete this.lastViewWidth; // force recalc
this.layout();
},
// private
doRender : function(cs, rs, ds, startRow, colCount, stripe){
var ts = this.templates, ct = ts.cell, rt = ts.row, last = colCount-1;
var tstyle = 'width:'+this.getTotalWidth()+';';
// buffers
var buf = [], cb, c, p = {}, rp = {tstyle: tstyle}, r;
for(var j = 0, len = rs.length; j < len; j++){
r = rs[j]; cb = [];
var rowIndex = (j+startRow);
for(var i = 0; i < colCount; i++){
c = cs[i];
p.id = c.id;
p.css = i === 0 ? 'x-grid3-cell-first ' : (i == last ? 'x-grid3-cell-last ' : '');
p.attr = p.cellAttr = '';
p.value = c.renderer.call(c.scope, r.data[c.name], p, r, rowIndex, i, ds);
p.style = c.style;
if(Ext.isEmpty(p.value)){
p.value = ' ';
}
if(this.markDirty && r.dirty && Ext.isDefined(r.modified[c.name])){
p.css += ' x-grid3-dirty-cell';
}
cb[cb.length] = ct.apply(p);
}
var alt = [];
if(stripe && ((rowIndex+1) % 2 === 0)){
alt[0] = 'x-grid3-row-alt';
}
if(r.dirty){
alt[1] = ' x-grid3-dirty-row';
}
rp.cols = colCount;
if(this.getRowClass){
alt[2] = this.getRowClass(r, rowIndex, rp, ds);
}
rp.alt = alt.join(' ');
rp.cells = cb.join('');
buf[buf.length] = rt.apply(rp);
}
return buf.join('');
},
// private
processRows : function(startRow, skipStripe){
if(!this.ds || this.ds.getCount() < 1){
return;
}
var rows = this.getRows(),
len = rows.length,
i, r;
skipStripe = skipStripe || !this.grid.stripeRows;
startRow = startRow || 0;
for(i = 0; i/**
* Focuses the specified row.
* @param {Number} row The row index
*/
focusRow : function(row){
this.focusCell(row, 0, false);
},
/**
* Focuses the specified cell.
* @param {Number} row The row index
* @param {Number} col The column index
*/
focusCell : function(row, col, hscroll){
this.syncFocusEl(this.ensureVisible(row, col, hscroll));
if(Ext.isGecko){
this.focusEl.focus();
}else{
this.focusEl.focus.defer(1, this.focusEl);
}
},
resolveCell : function(row, col, hscroll){
if(!Ext.isNumber(row)){
row = row.rowIndex;
}
if(!this.ds){
return null;
}
if(row < 0 || row >= this.ds.getCount()){
return null;
}
col = (col !== undefined ? col : 0);
var rowEl = this.getRow(row),
cm = this.cm,
colCount = cm.getColumnCount(),
cellEl;
if(!(hscroll === false && col === 0)){
while(col < colCount && cm.isHidden(col)){
col++;
}
cellEl = this.getCell(row, col);
}
return {row: rowEl, cell: cellEl};
},
getResolvedXY : function(resolved){
if(!resolved){
return null;
}
var s = this.scroller.dom, c = resolved.cell, r = resolved.row;
return c ? Ext.fly(c).getXY() : [this.el.getX(), Ext.fly(r).getY()];
},
syncFocusEl : function(row, col, hscroll){
var xy = row;
if(!Ext.isArray(xy)){
row = Math.min(row, Math.max(0, this.getRows().length-1));
xy = this.getResolvedXY(this.resolveCell(row, col, hscroll));
}
this.focusEl.setXY(xy||this.scroller.getXY());
},
ensureVisible : function(row, col, hscroll){
var resolved = this.resolveCell(row, col, hscroll);
if(!resolved || !resolved.row){
return;
}
var rowEl = resolved.row,
cellEl = resolved.cell,
c = this.scroller.dom,
ctop = 0,
p = rowEl,
stop = this.el.dom;
while(p && p != stop){
ctop += p.offsetTop;
p = p.offsetParent;
}
ctop -= this.mainHd.dom.offsetHeight;
stop = parseInt(c.scrollTop, 10);
var cbot = ctop + rowEl.offsetHeight,
ch = c.clientHeight,
sbot = stop + ch;
if(ctop < stop){
c.scrollTop = ctop;
}else if(cbot > sbot){
c.scrollTop = cbot-ch;
}
if(hscroll !== false){
var cleft = parseInt(cellEl.offsetLeft, 10);
var cright = cleft + cellEl.offsetWidth;
var sleft = parseInt(c.scrollLeft, 10);
var sright = sleft + c.clientWidth;
if(cleft < sleft){
c.scrollLeft = cleft;
}else if(cright > sright){
c.scrollLeft = cright-c.clientWidth;
}
}
return this.getResolvedXY(resolved);
},
// private
insertRows : function(dm, firstRow, lastRow, isUpdate){
var last = dm.getCount() - 1;
if(!isUpdate && firstRow === 0 && lastRow >= last){
this.fireEvent('beforerowsinserted', this, firstRow, lastRow);
this.refresh();
this.fireEvent('rowsinserted', this, firstRow, lastRow);
}else{
if(!isUpdate){
this.fireEvent('beforerowsinserted', this, firstRow, lastRow);
}
var html = this.renderRows(firstRow, lastRow),
before = this.getRow(firstRow);
if(before){
if(firstRow === 0){
Ext.fly(this.getRow(0)).removeClass(this.firstRowCls);
}
Ext.DomHelper.insertHtml('beforeBegin', before, html);
}else{
var r = this.getRow(last - 1);
if(r){
Ext.fly(r).removeClass(this.lastRowCls);
}
Ext.DomHelper.insertHtml('beforeEnd', this.mainBody.dom, html);
}
if(!isUpdate){
this.fireEvent('rowsinserted', this, firstRow, lastRow);
this.processRows(firstRow);
}else if(firstRow === 0 || firstRow >= last){
//ensure first/last row is kept after an update.
Ext.fly(this.getRow(firstRow)).addClass(firstRow === 0 ? this.firstRowCls : this.lastRowCls);
}
}
this.syncFocusEl(firstRow);
},
// private
deleteRows : function(dm, firstRow, lastRow){
if(dm.getRowCount()<1){
this.refresh();
}else{
this.fireEvent('beforerowsdeleted', this, firstRow, lastRow);
this.removeRows(firstRow, lastRow);
this.processRows(firstRow);
this.fireEvent('rowsdeleted', this, firstRow, lastRow);
}
},
// private
getColumnStyle : function(col, isHeader){
var style = !isHeader ? (this.cm.config[col].css || '') : '';
style += 'width:'+this.getColumnWidth(col)+';';
if(this.cm.isHidden(col)){
style += 'display:none;';
}
var align = this.cm.config[col].align;
if(align){
style += 'text-align:'+align+';';
}
return style;
},
// private
getColumnWidth : function(col){
var w = this.cm.getColumnWidth(col);
if(Ext.isNumber(w)){
return (Ext.isBorderBox || (Ext.isWebKit && !Ext.isSafari2) ? w : (w - this.borderWidth > 0 ? w - this.borderWidth : 0)) + 'px';
}
return w;
},
// private
getTotalWidth : function(){
return this.cm.getTotalWidth()+'px';
},
// private
fitColumns : function(preventRefresh, onlyExpand, omitColumn){
var cm = this.cm, i;
var tw = cm.getTotalWidth(false);
var aw = this.grid.getGridEl().getWidth(true)-this.getScrollOffset();
if(aw < 20){ // not initialized, so don't screw up the default widths
return;
}
var extra = aw - tw;
if(extra === 0){
return false;
}
var vc = cm.getColumnCount(true);
var ac = vc-(Ext.isNumber(omitColumn) ? 1 : 0);
if(ac === 0){
ac = 1;
omitColumn = undefined;
}
var colCount = cm.getColumnCount();
var cols = [];
var extraCol = 0;
var width = 0;
var w;
for (i = 0; i < colCount; i++){
if(!cm.isHidden(i) && !cm.isFixed(i) && i !== omitColumn){
w = cm.getColumnWidth(i);
cols.push(i);
extraCol = i;
cols.push(w);
width += w;
}
}
var frac = (aw - cm.getTotalWidth())/width;
while (cols.length){
w = cols.pop();
i = cols.pop();
cm.setColumnWidth(i, Math.max(this.grid.minColumnWidth, Math.floor(w + w*frac)), true);
}
if((tw = cm.getTotalWidth(false)) > aw){
var adjustCol = ac != vc ? omitColumn : extraCol;
cm.setColumnWidth(adjustCol, Math.max(1,
cm.getColumnWidth(adjustCol)- (tw-aw)), true);
}
if(preventRefresh !== true){
this.updateAllColumnWidths();
}
return true;
},
// private
autoExpand : function(preventUpdate){
var g = this.grid, cm = this.cm;
if(!this.userResized && g.autoExpandColumn){
var tw = cm.getTotalWidth(false);
var aw = this.grid.getGridEl().getWidth(true)-this.getScrollOffset();
if(tw != aw){
var ci = cm.getIndexById(g.autoExpandColumn);
var currentWidth = cm.getColumnWidth(ci);
var cw = Math.min(Math.max(((aw-tw)+currentWidth), g.autoExpandMin), g.autoExpandMax);
if(cw != currentWidth){
cm.setColumnWidth(ci, cw, true);
if(preventUpdate !== true){
this.updateColumnWidth(ci, cw);
}
}
}
}
},
// private
getColumnData : function(){
// build a map for all the columns
var cs = [], cm = this.cm, colCount = cm.getColumnCount();
for(var i = 0; i < colCount; i++){
var name = cm.getDataIndex(i);
cs[i] = {
name : (!Ext.isDefined(name) ? this.ds.fields.get(i).name : name),
renderer : cm.getRenderer(i),
scope: cm.getRendererScope(i),
id : cm.getColumnId(i),
style : this.getColumnStyle(i)
};
}
return cs;
},
// private
renderRows : function(startRow, endRow){
// pull in all the crap needed to render rows
var g = this.grid, cm = g.colModel, ds = g.store, stripe = g.stripeRows;
var colCount = cm.getColumnCount();
if(ds.getCount() < 1){
return '';
}
var cs = this.getColumnData();
startRow = startRow || 0;
endRow = !Ext.isDefined(endRow) ? ds.getCount()-1 : endRow;
// records to render
var rs = ds.getRange(startRow, endRow);
return this.doRender(cs, rs, ds, startRow, colCount, stripe);
},
// private
renderBody : function(){
var markup = this.renderRows() || ' ';
return this.templates.body.apply({rows: markup});
},
// private
refreshRow : function(record){
var ds = this.ds, index;
if(Ext.isNumber(record)){
index = record;
record = ds.getAt(index);
if(!record){
return;
}
}else{
index = ds.indexOf(record);
if(index < 0){
return;
}
}
this.insertRows(ds, index, index, true);
this.getRow(index).rowIndex = index;
this.onRemove(ds, record, index+1, true);
this.fireEvent('rowupdated', this, index, record);
},
/**
* Refreshs the grid UI
* @param {Boolean} headersToo (optional) True to also refresh the headers
*/
refresh : function(headersToo){
this.fireEvent('beforerefresh', this);
this.grid.stopEditing(true);
var result = this.renderBody();
this.mainBody.update(result).setWidth(this.getTotalWidth());
if(headersToo === true){
this.updateHeaders();
this.updateHeaderSortState();
}
this.processRows(0, true);
this.layout();
this.applyEmptyText();
this.fireEvent('refresh', this);
},
// private
applyEmptyText : function(){
if(this.emptyText && !this.hasRows()){
this.mainBody.update('' + this.emptyText + '
');
}
},
// private
updateHeaderSortState : function(){
var state = this.ds.getSortState();
if(!state){
return;
}
if(!this.sortState || (this.sortState.field != state.field || this.sortState.direction != state.direction)){
this.grid.fireEvent('sortchange', this.grid, state);
}
this.sortState = state;
var sortColumn = this.cm.findColumnIndex(state.field);
if(sortColumn != -1){
var sortDir = state.direction;
this.updateSortIcon(sortColumn, sortDir);
}
},
// private
clearHeaderSortState : function(){
if(!this.sortState){
return;
}
this.grid.fireEvent('sortchange', this.grid, null);
this.mainHd.select('td').removeClass(this.sortClasses);
delete this.sortState;
},
// private
destroy : function(){
if(this.colMenu){
Ext.menu.MenuMgr.unregister(this.colMenu);
this.colMenu.destroy();
delete this.colMenu;
}
if(this.hmenu){
Ext.menu.MenuMgr.unregister(this.hmenu);
this.hmenu.destroy();
delete this.hmenu;
}
this.initData(null, null);
this.purgeListeners();
Ext.fly(this.innerHd).un("click", this.handleHdDown, this);
if(this.grid.enableColumnMove){
Ext.destroy(
this.columnDrag.el,
this.columnDrag.proxy.ghost,
this.columnDrag.proxy.el,
this.columnDrop.el,
this.columnDrop.proxyTop,
this.columnDrop.proxyBottom,
this.columnDrag.dragData.ddel,
this.columnDrag.dragData.header
);
if (this.columnDrag.proxy.anim) {
Ext.destroy(this.columnDrag.proxy.anim);
}
delete this.columnDrag.proxy.ghost;
delete this.columnDrag.dragData.ddel;
delete this.columnDrag.dragData.header;
this.columnDrag.destroy();
delete Ext.dd.DDM.locationCache[this.columnDrag.id];
delete this.columnDrag._domRef;
delete this.columnDrop.proxyTop;
delete this.columnDrop.proxyBottom;
this.columnDrop.destroy();
delete Ext.dd.DDM.locationCache["gridHeader" + this.grid.getGridEl().id];
delete this.columnDrop._domRef;
delete Ext.dd.DDM.ids[this.columnDrop.ddGroup];
}
if (this.splitZone){ // enableColumnResize
this.splitZone.destroy();
delete this.splitZone._domRef;
delete Ext.dd.DDM.ids["gridSplitters" + this.grid.getGridEl().id];
}
Ext.fly(this.innerHd).removeAllListeners();
Ext.removeNode(this.innerHd);
delete this.innerHd;
Ext.destroy(
this.el,
this.mainWrap,
this.mainHd,
this.scroller,
this.mainBody,
this.focusEl,
this.resizeMarker,
this.resizeProxy,
this.activeHdBtn,
this.dragZone,
this.splitZone,
this._flyweight
);
delete this.grid.container;
if(this.dragZone){
this.dragZone.destroy();
}
Ext.dd.DDM.currentTarget = null;
delete Ext.dd.DDM.locationCache[this.grid.getGridEl().id];
Ext.EventManager.removeResizeListener(this.onWindowResize, this);
},
// private
onDenyColumnHide : function(){
},
// private
render : function(){
if(this.autoFill){
var ct = this.grid.ownerCt;
if (ct && ct.getLayout()){
ct.on('afterlayout', function(){
this.fitColumns(true, true);
this.updateHeaders();
}, this, {single: true});
}else{
this.fitColumns(true, true);
}
}else if(this.forceFit){
this.fitColumns(true, false);
}else if(this.grid.autoExpandColumn){
this.autoExpand(true);
}
this.renderUI();
},
/* --------------------------------- Model Events and Handlers --------------------------------*/
// private
initData : function(ds, cm){
if(this.ds){
this.ds.un('load', this.onLoad, this);
this.ds.un('datachanged', this.onDataChange, this);
this.ds.un('add', this.onAdd, this);
this.ds.un('remove', this.onRemove, this);
this.ds.un('update', this.onUpdate, this);
this.ds.un('clear', this.onClear, this);
if(this.ds !== ds && this.ds.autoDestroy){
this.ds.destroy();
}
}
if(ds){
ds.on({
scope: this,
load: this.onLoad,
datachanged: this.onDataChange,
add: this.onAdd,
remove: this.onRemove,
update: this.onUpdate,
clear: this.onClear
});
}
this.ds = ds;
if(this.cm){
this.cm.un('configchange', this.onColConfigChange, this);
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);
}
if(cm){
delete this.lastViewWidth;
cm.on({
scope: this,
configchange: this.onColConfigChange,
widthchange: this.onColWidthChange,
headerchange: this.onHeaderChange,
hiddenchange: this.onHiddenChange,
columnmoved: this.onColumnMove
});
}
this.cm = cm;
},
// private
onDataChange : function(){
this.refresh();
this.updateHeaderSortState();
this.syncFocusEl(0);
},
// private
onClear : function(){
this.refresh();
this.syncFocusEl(0);
},
// private
onUpdate : function(ds, record){
this.refreshRow(record);
},
// private
onAdd : function(ds, records, index){
this.insertRows(ds, index, index + (records.length-1));
},
// private
onRemove : function(ds, record, index, isUpdate){
if(isUpdate !== true){
this.fireEvent('beforerowremoved', this, index, record);
}
this.removeRow(index);
if(isUpdate !== true){
this.processRows(index);
this.applyEmptyText();
this.fireEvent('rowremoved', this, index, record);
}
},
// private
onLoad : function(){
this.scrollToTop.defer(Ext.isGecko ? 1 : 0, this);
},
// private
onColWidthChange : function(cm, col, width){
this.updateColumnWidth(col, width);
},
// private
onHeaderChange : function(cm, col, text){
this.updateHeaders();
},
// private
onHiddenChange : function(cm, col, hidden){
this.updateColumnHidden(col, hidden);
},
// private
onColumnMove : function(cm, oldIndex, newIndex){
this.indexMap = null;
var s = this.getScrollState();
this.refresh(true);
this.restoreScroll(s);
this.afterMove(newIndex);
this.grid.fireEvent('columnmove', oldIndex, newIndex);
},
// private
onColConfigChange : function(){
delete this.lastViewWidth;
this.indexMap = null;
this.refresh(true);
},
/* -------------------- UI Events and Handlers ------------------------------ */
// private
initUI : function(grid){
grid.on('headerclick', this.onHeaderClick, this);
},
// private
initEvents : function(){
},
// private
onHeaderClick : function(g, index){
if(this.headersDisabled || !this.cm.isSortable(index)){
return;
}
g.stopEditing(true);
g.store.sort(this.cm.getDataIndex(index));
},
// private
onRowOver : function(e, t){
var row;
if((row = this.findRowIndex(t)) !== false){
this.addRowClass(row, 'x-grid3-row-over');
}
},
// private
onRowOut : function(e, t){
var row;
if((row = this.findRowIndex(t)) !== false && !e.within(this.getRow(row), true)){
this.removeRowClass(row, 'x-grid3-row-over');
}
},
// private
handleWheel : function(e){
e.stopPropagation();
},
// private
onRowSelect : function(row){
this.addRowClass(row, this.selectedRowClass);
},
// private
onRowDeselect : function(row){
this.removeRowClass(row, this.selectedRowClass);
},
// private
onCellSelect : function(row, col){
var cell = this.getCell(row, col);
if(cell){
this.fly(cell).addClass('x-grid3-cell-selected');
}
},
// private
onCellDeselect : function(row, col){
var cell = this.getCell(row, col);
if(cell){
this.fly(cell).removeClass('x-grid3-cell-selected');
}
},
// private
onColumnSplitterMoved : function(i, w){
this.userResized = true;
var cm = this.grid.colModel;
cm.setColumnWidth(i, w, true);
if(this.forceFit){
this.fitColumns(true, false, i);
this.updateAllColumnWidths();
}else{
this.updateColumnWidth(i, w);
this.syncHeaderScroll();
}
this.grid.fireEvent('columnresize', i, w);
},
// private
handleHdMenuClick : function(item){
var index = this.hdCtxIndex,
cm = this.cm,
ds = this.ds,
id = item.getItemId();
switch(id){
case 'asc':
ds.sort(cm.getDataIndex(index), 'ASC');
break;
case 'desc':
ds.sort(cm.getDataIndex(index), 'DESC');
break;
default:
index = cm.getIndexById(id.substr(4));
if(index != -1){
if(item.checked && cm.getColumnsBy(this.isHideableColumn, this).length <= 1){
this.onDenyColumnHide();
return false;
}
cm.setHidden(index, item.checked);
}
}
return true;
},
// private
isHideableColumn : function(c){
return !c.hidden && !c.fixed;
},
// private
beforeColMenuShow : function(){
var cm = this.cm, colCount = cm.getColumnCount();
this.colMenu.removeAll();
for(var i = 0; i < colCount; i++){
if(cm.config[i].fixed !== true && cm.config[i].hideable !== false){
this.colMenu.add(new Ext.menu.CheckItem({
itemId: 'col-'+cm.getColumnId(i),
text: cm.getColumnHeader(i),
checked: !cm.isHidden(i),
hideOnClick:false,
disabled: cm.config[i].hideable === false
}));
}
}
},
// private
handleHdDown : function(e, t){
if(Ext.fly(t).hasClass('x-grid3-hd-btn')){
e.stopEvent();
var hd = this.findHeaderCell(t);
Ext.fly(hd).addClass('x-grid3-hd-menu-open');
var index = this.getCellIndex(hd);
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));
this.hmenu.on('hide', function(){
Ext.fly(hd).removeClass('x-grid3-hd-menu-open');
}, this, {single:true});
this.hmenu.show(t, 'tl-bl?');
}
},
// private
handleHdOver : function(e, t){
var hd = this.findHeaderCell(t);
if(hd && !this.headersDisabled){
this.activeHdRef = t;
this.activeHdIndex = this.getCellIndex(hd);
var fly = this.fly(hd);
this.activeHdRegion = fly.getRegion();
if(!this.cm.isMenuDisabled(this.activeHdIndex)){
fly.addClass('x-grid3-hd-over');
this.activeHdBtn = fly.child('.x-grid3-hd-btn');
if(this.activeHdBtn){
this.activeHdBtn.dom.style.height = (hd.firstChild.offsetHeight-1)+'px';
}
}
}
},
// private
handleHdMove : function(e, t){
var hd = this.findHeaderCell(this.activeHdRef);
if(hd && !this.headersDisabled){
var hw = this.splitHandleWidth || 5,
r = this.activeHdRegion,
x = e.getPageX(),
ss = hd.style,
cur = '';
if(this.grid.enableColumnResize !== false){
if(x - r.left <= hw && this.cm.isResizable(this.activeHdIndex-1)){
cur = Ext.isAir ? 'move' : Ext.isWebKit ? 'e-resize' : 'col-resize'; // col-resize not always supported
}else if(r.right - x <= (!this.activeHdBtn ? hw : 2) && this.cm.isResizable(this.activeHdIndex)){
cur = Ext.isAir ? 'move' : Ext.isWebKit ? 'w-resize' : 'col-resize';
}
}
ss.cursor = cur;
}
},
// private
handleHdOut : function(e, t){
var hd = this.findHeaderCell(t);
if(hd && (!Ext.isIE || !e.within(hd, true))){
this.activeHdRef = null;
this.fly(hd).removeClass('x-grid3-hd-over');
hd.style.cursor = '';
}
},
// private
hasRows : function(){
var fc = this.mainBody.dom.firstChild;
return fc && fc.nodeType == 1 && fc.className != 'x-grid-empty';
},
// back compat
bind : function(d, c){
this.initData(d, c);
}
});
// private
// This is a support class used internally by the Grid components
Ext.grid.GridView.SplitDragZone = function(grid, hd){
this.grid = grid;
this.view = grid.getView();
this.marker = this.view.resizeMarker;
this.proxy = this.view.resizeProxy;
Ext.grid.GridView.SplitDragZone.superclass.constructor.call(this, hd,
'gridSplitters' + this.grid.getGridEl().id, {
dragElId : Ext.id(this.proxy.dom), resizeFrame:false
});
this.scroll = false;
this.hw = this.view.splitHandleWidth || 5;
};
Ext.extend(Ext.grid.GridView.SplitDragZone, Ext.dd.DDProxy, {
b4StartDrag : function(x, y){
this.view.headersDisabled = true;
var h = this.view.mainWrap.getHeight();
this.marker.setHeight(h);
this.marker.show();
this.marker.alignTo(this.view.getHeaderCell(this.cellIndex), 'tl-tl', [-2, 0]);
this.proxy.setHeight(h);
var w = this.cm.getColumnWidth(this.cellIndex);
var minw = Math.max(w-this.grid.minColumnWidth, 0);
this.resetConstraints();
this.setXConstraint(minw, 1000);
this.setYConstraint(0, 0);
this.minX = x - minw;
this.maxX = x + 1000;
this.startPos = x;
Ext.dd.DDProxy.prototype.b4StartDrag.call(this, x, y);
},
allowHeaderDrag : function(e){
return true;
},
handleMouseDown : function(e){
var t = this.view.findHeaderCell(e.getTarget());
if(t && this.allowHeaderDrag(e)){
var xy = this.view.fly(t).getXY(), x = xy[0], y = xy[1];
var exy = e.getXY(), ex = exy[0];
var w = t.offsetWidth, adjust = false;
if((ex - x) <= this.hw){
adjust = -1;
}else if((x+w) - ex <= this.hw){
adjust = 0;
}
if(adjust !== false){
this.cm = this.grid.colModel;
var ci = this.view.getCellIndex(t);
if(adjust == -1){
if (ci + adjust < 0) {
return;
}
while(this.cm.isHidden(ci+adjust)){
--adjust;
if(ci+adjust < 0){
return;
}
}
}
this.cellIndex = ci+adjust;
this.split = t.dom;
if(this.cm.isResizable(this.cellIndex) && !this.cm.isFixed(this.cellIndex)){
Ext.grid.GridView.SplitDragZone.superclass.handleMouseDown.apply(this, arguments);
}
}else if(this.view.columnDrag){
this.view.columnDrag.callHandleMouseDown(e);
}
}
},
endDrag : function(e){
this.marker.hide();
var v = this.view;
var endX = Math.max(this.minX, e.getPageX());
var diff = endX - this.startPos;
v.onColumnSplitterMoved(this.cellIndex, this.cm.getColumnWidth(this.cellIndex)+diff);
setTimeout(function(){
v.headersDisabled = false;
}, 50);
},
autoOffset : function(){
this.setDelta(0,0);
}
});