/*! * Ext JS Library 3.3.0 * Copyright(c) 2006-2010 Ext JS, Inc. * licensing@extjs.com * http://www.extjs.com/license */ /** * @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:* @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. *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'; } },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:
*
body : String bodyStyle : String tstyle : String
this.mainBody.update('<div class="x-grid-empty">' + this.emptyText + '</div>');
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:
.x-grid3-row-selected {background-color: yellow;}
.x-grid3-row-selected .x-grid3-cell-inner {
color: #FFCC00;
}
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), hasCls; if (cell) { hasCls = this.fly(cell).hasClass(requiredCls); if (!requiredCls || hasCls) { return this.getCellIndex(cell); } } return false; }, // private getCellIndex : function(el) { if (el) { var match = el.className.match(this.colRe); if (match && match[1]) { return this.cm.getIndexById(match[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 row = this.findRow(el); return row ? row.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 Ext.fly(this.getRow(row)).query(this.cellSelector)[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(rowId, cls) { var row = this.getRow(rowId); if (row) { this.fly(row).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, rowIndex; for (rowIndex = firstRow; rowIndex <= lastRow; rowIndex++){ Ext.removeNode(bd.childNodes[firstRow]); } this.syncFocusEl(firstRow); }, /* ----------------------------------- Scrolling functions -------------------------------------------*/ // 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() { var dom = this.scroller.dom; dom.scrollTop = 0; 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 innerHd = this.innerHd, scrollLeft = this.scroller.dom.scrollLeft; innerHd.scrollLeft = scrollLeft; innerHd.scrollLeft = scrollLeft; // second time for IE (1/2 time first fails, other browsers ignore) }, /** * @private * Ensures the given column has the given icon class */ updateSortIcon : function(col, dir) { var sortClasses = this.sortClasses, sortClass = sortClasses[dir == "DESC" ? 1 : 0], headers = this.mainHd.select('td').removeClass(sortClasses); headers.item(col).addClass(sortClass); }, /** * @private * Updates the size of every column and cell in the grid */ updateAllColumnWidths : function() { var totalWidth = this.getTotalWidth(), colCount = this.cm.getColumnCount(), rows = this.getRows(), rowCount = rows.length, widths = [], row, rowFirstChild, trow, i, j; for (i = 0; i < colCount; i++) { widths[i] = this.getColumnWidth(i); this.getHeaderCell(i).style.width = widths[i]; } this.updateHeaderWidth(); for (i = 0; i < rowCount; i++) { row = rows[i]; row.style.width = totalWidth; rowFirstChild = row.firstChild; if (rowFirstChild) { rowFirstChild.style.width = totalWidth; trow = rowFirstChild.rows[0]; for (j = 0; j < colCount; j++) { trow.childNodes[j].style.width = widths[j]; } } } this.onAllColumnWidthsUpdated(widths, totalWidth); }, /** * @private * Called after a column's width has been updated, this resizes all of the cells for that column in each row * @param {Number} column The column index */ updateColumnWidth : function(column, width) { var columnWidth = this.getColumnWidth(column), totalWidth = this.getTotalWidth(), headerCell = this.getHeaderCell(column), nodes = this.getRows(), nodeCount = nodes.length, row, i, firstChild; this.updateHeaderWidth(); headerCell.style.width = columnWidth; for (i = 0; i < nodeCount; i++) { row = nodes[i]; firstChild = row.firstChild; row.style.width = totalWidth; if (firstChild) { firstChild.style.width = totalWidth; firstChild.rows[0].childNodes[column].style.width = columnWidth; } } this.onColumnWidthUpdated(column, columnWidth, totalWidth); }, /** * @private * Sets the hidden status of a given column. * @param {Number} col The column index * @param {Boolean} hidden True to make the column hidden */ updateColumnHidden : function(col, hidden) { var totalWidth = this.getTotalWidth(), display = hidden ? 'none' : '', headerCell = this.getHeaderCell(col), nodes = this.getRows(), nodeCount = nodes.length, row, rowFirstChild, i; this.updateHeaderWidth(); headerCell.style.display = display; for (i = 0; i < nodeCount; i++) { row = nodes[i]; row.style.width = totalWidth; rowFirstChild = row.firstChild; if (rowFirstChild) { rowFirstChild.style.width = totalWidth; rowFirstChild.rows[0].childNodes[col].style.display = display; } } this.onColumnHiddenUpdated(col, hidden, totalWidth); delete this.lastViewWidth; //recalc this.layout(); }, /** * @private * Renders all of the rows to a string buffer and returns the string. This is called internally * by renderRows and performs the actual string building for the rows - it does not inject HTML into the DOM. * @param {Array} columns The column data acquired from getColumnData. * @param {Array} records The array of records to render * @param {Ext.data.Store} store The store to render the rows from * @param {Number} startRow The index of the first row being rendered. Sometimes we only render a subset of * the rows so this is used to maintain logic for striping etc * @param {Number} colCount The total number of columns in the column model * @param {Boolean} stripe True to stripe the rows * @return {String} A string containing the HTML for the rendered rows */ doRender : function(columns, records, store, startRow, colCount, stripe) { var templates = this.templates, cellTemplate = templates.cell, rowTemplate = templates.row, last = colCount - 1, tstyle = 'width:' + this.getTotalWidth() + ';', // buffers rowBuffer = [], colBuffer = [], rowParams = {tstyle: tstyle}, meta = {}, len = records.length, alt, column, record, i, j, rowIndex; //build up each row's HTML for (j = 0; j < len; j++) { record = records[j]; colBuffer = []; rowIndex = j + startRow; //build up each column's HTML for (i = 0; i < colCount; i++) { column = columns[i]; meta.id = column.id; meta.css = i === 0 ? 'x-grid3-cell-first ' : (i == last ? 'x-grid3-cell-last ' : ''); meta.attr = meta.cellAttr = ''; meta.style = column.style; meta.value = column.renderer.call(column.scope, record.data[column.name], meta, record, rowIndex, i, store); if (Ext.isEmpty(meta.value)) { meta.value = ' '; } if (this.markDirty && record.dirty && typeof record.modified[column.name] != 'undefined') { meta.css += ' x-grid3-dirty-cell'; } colBuffer[colBuffer.length] = cellTemplate.apply(meta); } alt = []; //set up row striping and row dirtiness CSS classes if (stripe && ((rowIndex + 1) % 2 === 0)) { alt[0] = 'x-grid3-row-alt'; } if (record.dirty) { alt[1] = ' x-grid3-dirty-row'; } rowParams.cols = colCount; if (this.getRowClass) { alt[2] = this.getRowClass(record, rowIndex, rowParams, store); } rowParams.alt = alt.join(' '); rowParams.cells = colBuffer.join(''); rowBuffer[rowBuffer.length] = rowTemplate.apply(rowParams); } return rowBuffer.join(''); }, /** * @private * Adds CSS classes and rowIndex to each row * @param {Number} startRow The row to start from (defaults to 0) */ processRows : function(startRow, skipStripe) { if (!this.ds || this.ds.getCount() < 1) { return; } var rows = this.getRows(), length = rows.length, row, i; skipStripe = skipStripe || !this.grid.stripeRows; startRow = startRow || 0; for (i = 0; i < length; i++) { row = rows[i]; if (row) { row.rowIndex = i; if (!skipStripe) { row.className = row.className.replace(this.rowClsRe, ' '); if ((i + 1) % 2 === 0){ row.className += ' x-grid3-row-alt'; } } } } // add first/last-row classes if (startRow === 0) { Ext.fly(rows[0]).addClass(this.firstRowCls); } Ext.fly(rows[length - 1]).addClass(this.lastRowCls); }, /** * @private */ afterRender : function() { if (!this.ds || !this.cm) { return; } this.mainBody.dom.innerHTML = this.renderBody() || ' '; this.processRows(0, true); if (this.deferEmptyText !== true) { this.applyEmptyText(); } this.grid.fireEvent('viewready', this.grid); }, /** * @private * This is always intended to be called after renderUI. Sets up listeners on the UI elements * and sets up options like column menus, moving and resizing. */ afterRenderUI: function() { var grid = this.grid; this.initElements(); // get mousedowns early Ext.fly(this.innerHd).on('click', this.handleHdDown, this); this.mainHd.on({ scope : this, mouseover: this.handleHdOver, mouseout : this.handleHdOut, mousemove: this.handleHdMove }); this.scroller.on('scroll', this.syncScroll, this); if (grid.enableColumnResize !== false) { this.splitZone = new Ext.grid.GridView.SplitDragZone(grid, this.mainHd.dom); } if (grid.enableColumnMove) { this.columnDrag = new Ext.grid.GridView.ColumnDragZone(grid, this.innerHd); this.columnDrop = new Ext.grid.HeaderDropZone(grid, this.mainHd.dom); } if (grid.enableHdMenu !== false) { this.hmenu = new Ext.menu.Menu({id: grid.id + '-hctx'}); this.hmenu.add( {itemId:'asc', text: this.sortAscText, cls: 'xg-hmenu-sort-asc'}, {itemId:'desc', text: this.sortDescText, cls: 'xg-hmenu-sort-desc'} ); if (grid.enableColumnHide !== false) { this.colMenu = new Ext.menu.Menu({id:grid.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); } if (grid.trackMouseOver) { this.mainBody.on({ scope : this, mouseover: this.onRowOver, mouseout : this.onRowOut }); } if (grid.enableDragDrop || grid.enableDrag) { this.dragZone = new Ext.grid.GridDragZone(grid, { ddGroup : grid.ddGroup || 'GridDD' }); } this.updateHeaderSortState(); }, /** * @private * Renders each of the UI elements in turn. This is called internally, once, by this.render. It does not * render rows from the store, just the surrounding UI elements. */ renderUI : function() { var templates = this.templates; return templates.master.apply({ body : templates.body.apply({rows:' '}), header: this.renderHeaders(), ostyle: 'width:' + this.getOffsetWidth() + ';', bstyle: 'width:' + this.getTotalWidth() + ';' }); }, // private processEvent : function(name, e) { var target = e.getTarget(), grid = this.grid, header = this.findHeaderIndex(target), row, cell, col, body; grid.fireEvent(name, e); if (header !== false) { grid.fireEvent('header' + name, grid, header, e); } else { row = this.findRowIndex(target); // Grid's value-added events must bubble correctly to allow cancelling via returning false: cell->column->row // We must allow a return of false at any of these levels to cancel the event processing. // Particularly allowing rowmousedown to be cancellable by prior handlers which need to prevent selection. if (row !== false) { cell = this.findCellIndex(target); if (cell !== false) { col = grid.colModel.getColumnAt(cell); if (grid.fireEvent('cell' + name, grid, row, cell, e) !== false) { if (!col || (col.processEvent && (col.processEvent(name, e, grid, row, cell) !== false))) { grid.fireEvent('row' + name, grid, row, e); } } } else { if (grid.fireEvent('row' + name, grid, row, e) !== false) { (body = this.findRowBody(target)) && grid.fireEvent('rowbody' + name, grid, row, e); } } } else { grid.fireEvent('container' + name, grid, e); } } }, /** * @private * Sizes the grid's header and body elements */ layout : function(initial) { if (!this.mainBody) { return; // not rendered } var grid = this.grid, gridEl = grid.getGridEl(), gridSize = gridEl.getSize(true), gridWidth = gridSize.width, gridHeight = gridSize.height, scroller = this.scroller, scrollStyle, headerHeight, scrollHeight; if (gridWidth < 20 || gridHeight < 20) { return; } if (grid.autoHeight) { scrollStyle = scroller.dom.style; scrollStyle.overflow = 'visible'; if (Ext.isWebKit) { scrollStyle.position = 'static'; } } else { this.el.setSize(gridWidth, gridHeight); headerHeight = this.mainHd.getHeight(); scrollHeight = gridHeight - headerHeight; scroller.setSize(gridWidth, scrollHeight); if (this.innerHd) { this.innerHd.style.width = (gridWidth) + "px"; } } if (this.forceFit || (initial === true && this.autoFill)) { if (this.lastViewWidth != gridWidth) { this.fitColumns(false, false); this.lastViewWidth = gridWidth; } } else { this.autoExpand(); this.syncHeaderScroll(); } this.onLayout(gridWidth, scrollHeight); }, // template functions for subclasses and plugins // these functions include precalculated values onLayout : function(vw, vh) { // do nothing }, onColumnWidthUpdated : function(col, w, tw) { //template method }, onAllColumnWidthsUpdated : function(ws, tw) { //template method }, onColumnHiddenUpdated : function(col, hidden, tw) { // template method }, updateColumnText : function(col, text) { // template method }, afterMove : function(colIndex) { // template method }, /* ----------------------------------- Core Specific -------------------------------------------*/ // private init : function(grid) { this.grid = grid; this.initTemplates(); this.initData(grid.store, grid.colModel); this.initUI(grid); }, // private getColumnId : function(index){ return this.cm.getColumnId(index); }, // private getOffsetWidth : function() { return (this.cm.getTotalWidth() + this.getScrollOffset()) + 'px'; }, // private getScrollOffset: function() { return Ext.num(this.scrollOffset, Ext.getScrollBarWidth()); }, /** * @private * Renders the header row using the 'header' template. Does not inject the HTML into the DOM, just * returns a string. * @return {String} Rendered header row */ renderHeaders : function() { var colModel = this.cm, templates = this.templates, headerTpl = templates.hcell, properties = {}, colCount = colModel.getColumnCount(), last = colCount - 1, cells = [], i, cssCls; for (i = 0; i < colCount; i++) { if (i == 0) { cssCls = 'x-grid3-cell-first '; } else { cssCls = i == last ? 'x-grid3-cell-last ' : ''; } properties = { id : colModel.getColumnId(i), value : colModel.getColumnHeader(i) || '', style : this.getColumnStyle(i, true), css : cssCls, tooltip: this.getColumnTooltip(i) }; if (colModel.config[i].align == 'right') { properties.istyle = 'padding-right: 16px;'; } else { delete properties.istyle; } cells[i] = headerTpl.apply(properties); } return templates.header.apply({ cells : cells.join(""), tstyle: String.format("width: {0};", this.getTotalWidth()) }); }, /** * @private */ getColumnTooltip : function(i) { var tooltip = this.cm.getColumnTooltip(i); if (tooltip) { if (Ext.QuickTips.isEnabled()) { return 'ext:qtip="' + tooltip + '"'; } else { return 'title="' + tooltip + '"'; } } return ''; }, // private beforeUpdate : function() { this.grid.stopEditing(true); }, /** * @private * Re-renders the headers and ensures they are sized correctly */ updateHeaders : function() { this.innerHd.firstChild.innerHTML = this.renderHeaders(); this.updateHeaderWidth(false); }, /** * @private * Ensures that the header is sized to the total width available to it * @param {Boolean} updateMain True to update the mainBody's width also (defaults to true) */ updateHeaderWidth: function(updateMain) { var innerHdChild = this.innerHd.firstChild, totalWidth = this.getTotalWidth(); innerHdChild.style.width = this.getOffsetWidth(); innerHdChild.firstChild.style.width = totalWidth; if (updateMain !== false) { this.mainBody.dom.style.width = totalWidth; } }, /** * 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)); var focusEl = this.focusEl; if (Ext.isGecko) { focusEl.focus(); } else { focusEl.focus.defer(1, focusEl); } }, /** * @private * Finds the Elements corresponding to the given row and column indexes */ 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), colModel = this.cm, colCount = colModel.getColumnCount(), cellEl; if (!(hscroll === false && col === 0)) { while (col < colCount && colModel.isHidden(col)) { col++; } cellEl = this.getCell(row, col); } return {row: rowEl, cell: cellEl}; }, /** * @private * Returns the XY co-ordinates of a given row/cell resolution (see {@link #resolveCell}) * @return {Array} X and Y coords */ getResolvedXY : function(resolved) { if (!resolved) { return null; } var cell = resolved.cell, row = resolved.row; if (cell) { return Ext.fly(cell).getXY(); } else { return [this.el.getX(), Ext.fly(row).getY()]; } }, /** * @private * Moves the focus element to the x and y co-ordinates of the given row and column */ syncFocusEl : function(row, col, hscroll) { var xy = row; if (!Ext.isArray(xy)) { row = Math.min(row, Math.max(0, this.getRows().length-1)); if (isNaN(row)) { return; } xy = this.getResolvedXY(this.resolveCell(row, col, hscroll)); } this.focusEl.setXY(xy || this.scroller.getXY()); }, /** * @private */ ensureVisible : function(row, col, hscroll) { var resolved = this.resolveCell(row, col, hscroll); if (!resolved || !resolved.row) { return null; } var rowEl = resolved.row, cellEl = resolved.cell, c = this.scroller.dom, p = rowEl, ctop = 0, 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), cright = cleft + cellEl.offsetWidth, sleft = parseInt(c.scrollLeft, 10), 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 * DEPRECATED - this doesn't appear to be called anywhere in the library, remove in 4.0. */ 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 * Builds a CSS string for the given column index * @param {Number} colIndex The column index * @param {Boolean} isHeader True if getting the style for the column's header * @return {String} The CSS string */ getColumnStyle : function(colIndex, isHeader) { var colModel = this.cm, colConfig = colModel.config, style = isHeader ? '' : colConfig[colIndex].css || '', align = colConfig[colIndex].align; style += String.format("width: {0};", this.getColumnWidth(colIndex)); if (colModel.isHidden(colIndex)) { style += 'display: none; '; } if (align) { style += String.format("text-align: {0};", align); } return style; }, /** * @private * Returns the width of a given column minus its border width * @return {Number} The column index * @return {String|Number} The width in pixels */ getColumnWidth : function(column) { var columnWidth = this.cm.getColumnWidth(column), borderWidth = this.borderWidth; if (Ext.isNumber(columnWidth)) { if (Ext.isBorderBox || (Ext.isWebKit && !Ext.isSafari2)) { return columnWidth + "px"; } else { return Math.max(columnWidth - borderWidth, 0) + "px"; } } else { return columnWidth; } }, /** * @private * Returns the total width of all visible columns * @return {String} */ getTotalWidth : function() { return this.cm.getTotalWidth() + 'px'; }, /** * @private * Resizes each column to fit the available grid width. * TODO: The second argument isn't even used, remove it in 4.0 * @param {Boolean} preventRefresh True to prevent resizing of each row to the new column sizes (defaults to false) * @param {null} onlyExpand NOT USED, will be removed in 4.0 * @param {Number} omitColumn The index of a column to leave at its current width. Defaults to undefined * @return {Boolean} True if the operation succeeded, false if not or undefined if the grid view is not yet initialized */ fitColumns : function(preventRefresh, onlyExpand, omitColumn) { var grid = this.grid, colModel = this.cm, totalColWidth = colModel.getTotalWidth(false), gridWidth = this.getGridInnerWidth(), extraWidth = gridWidth - totalColWidth, columns = [], extraCol = 0, width = 0, colWidth, fraction, i; // not initialized, so don't screw up the default widths if (gridWidth < 20 || extraWidth === 0) { return false; } var visibleColCount = colModel.getColumnCount(true), totalColCount = colModel.getColumnCount(false), adjCount = visibleColCount - (Ext.isNumber(omitColumn) ? 1 : 0); if (adjCount === 0) { adjCount = 1; omitColumn = undefined; } //FIXME: the algorithm used here is odd and potentially confusing. Includes this for loop and the while after it. for (i = 0; i < totalColCount; i++) { if (!colModel.isFixed(i) && i !== omitColumn) { colWidth = colModel.getColumnWidth(i); columns.push(i, colWidth); if (!colModel.isHidden(i)) { extraCol = i; width += colWidth; } } } fraction = (gridWidth - colModel.getTotalWidth()) / width; while (columns.length) { colWidth = columns.pop(); i = columns.pop(); colModel.setColumnWidth(i, Math.max(grid.minColumnWidth, Math.floor(colWidth + colWidth * fraction)), true); } //this has been changed above so remeasure now totalColWidth = colModel.getTotalWidth(false); if (totalColWidth > gridWidth) { var adjustCol = (adjCount == visibleColCount) ? extraCol : omitColumn, newWidth = Math.max(1, colModel.getColumnWidth(adjustCol) - (totalColWidth - gridWidth)); colModel.setColumnWidth(adjustCol, newWidth, true); } if (preventRefresh !== true) { this.updateAllColumnWidths(); } return true; }, /** * @private * Resizes the configured autoExpandColumn to take the available width after the other columns have * been accounted for * @param {Boolean} preventUpdate True to prevent the resizing of all rows (defaults to false) */ autoExpand : function(preventUpdate) { var grid = this.grid, colModel = this.cm, gridWidth = this.getGridInnerWidth(), totalColumnWidth = colModel.getTotalWidth(false), autoExpandColumn = grid.autoExpandColumn; if (!this.userResized && autoExpandColumn) { if (gridWidth != totalColumnWidth) { //if we are not already using all available width, resize the autoExpandColumn var colIndex = colModel.getIndexById(autoExpandColumn), currentWidth = colModel.getColumnWidth(colIndex), desiredWidth = gridWidth - totalColumnWidth + currentWidth, newWidth = Math.min(Math.max(desiredWidth, grid.autoExpandMin), grid.autoExpandMax); if (currentWidth != newWidth) { colModel.setColumnWidth(colIndex, newWidth, true); if (preventUpdate !== true) { this.updateColumnWidth(colIndex, newWidth); } } } } }, /** * Returns the total internal width available to the grid, taking the scrollbar into account * @return {Number} The total width */ getGridInnerWidth: function() { return this.grid.getGridEl().getWidth(true) - this.getScrollOffset(); }, /** * @private * Returns an array of column configurations - one for each column * @return {Array} Array of column config objects. This includes the column name, renderer, id style and renderer */ getColumnData : function() { var columns = [], colModel = this.cm, colCount = colModel.getColumnCount(), fields = this.ds.fields, i, name; for (i = 0; i < colCount; i++) { name = colModel.getDataIndex(i); columns[i] = { name : Ext.isDefined(name) ? name : (fields.get(i) ? fields.get(i).name : undefined), renderer: colModel.getRenderer(i), scope : colModel.getRendererScope(i), id : colModel.getColumnId(i), style : this.getColumnStyle(i) }; } return columns; }, /** * @private * Renders rows between start and end indexes * @param {Number} startRow Index of the first row to render * @param {Number} endRow Index of the last row to render */ renderRows : function(startRow, endRow) { var grid = this.grid, store = grid.store, stripe = grid.stripeRows, colModel = grid.colModel, colCount = colModel.getColumnCount(), rowCount = store.getCount(), records; if (rowCount < 1) { return ''; } startRow = startRow || 0; endRow = Ext.isDefined(endRow) ? endRow : rowCount - 1; records = store.getRange(startRow, endRow); return this.doRender(this.getColumnData(), records, store, startRow, colCount, stripe); }, // private renderBody : function(){ var markup = this.renderRows() || ' '; return this.templates.body.apply({rows: markup}); }, /** * @private * Refreshes a row by re-rendering it. Fires the rowupdated event when done */ refreshRow: function(record) { var store = this.ds, colCount = this.cm.getColumnCount(), columns = this.getColumnData(), last = colCount - 1, cls = ['x-grid3-row'], rowParams = { tstyle: String.format("width: {0};", this.getTotalWidth()) }, colBuffer = [], cellTpl = this.templates.cell, rowIndex, row, column, meta, css, i; if (Ext.isNumber(record)) { rowIndex = record; record = store.getAt(rowIndex); } else { rowIndex = store.indexOf(record); } //the record could not be found if (!record || rowIndex < 0) { return; } //builds each column in this row for (i = 0; i < colCount; i++) { column = columns[i]; if (i == 0) { css = 'x-grid3-cell-first'; } else { css = (i == last) ? 'x-grid3-cell-last ' : ''; } meta = { id : column.id, style : column.style, css : css, attr : "", cellAttr: "" }; // Need to set this after, because we pass meta to the renderer meta.value = column.renderer.call(column.scope, record.data[column.name], meta, record, rowIndex, i, store); if (Ext.isEmpty(meta.value)) { meta.value = ' '; } if (this.markDirty && record.dirty && typeof record.modified[column.name] != 'undefined') { meta.css += ' x-grid3-dirty-cell'; } colBuffer[i] = cellTpl.apply(meta); } row = this.getRow(rowIndex); row.className = ''; if (this.grid.stripeRows && ((rowIndex + 1) % 2 === 0)) { cls.push('x-grid3-row-alt'); } if (this.getRowClass) { rowParams.cols = colCount; cls.push(this.getRowClass(record, rowIndex, rowParams, store)); } this.fly(row).addClass(cls).setStyle(rowParams.tstyle); rowParams.cells = colBuffer.join(""); row.innerHTML = this.templates.rowInner.apply(rowParams); this.fireEvent('rowupdated', this, rowIndex, 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 * Displays the configured emptyText if there are currently no rows to display */ applyEmptyText : function() { if (this.emptyText && !this.hasRows()) { this.mainBody.update('