Column.js
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上传日期:2018-01-28
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中间件编程
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JavaScript
- /*! * Ext JS Library 3.0.0 * Copyright(c) 2006-2009 Ext JS, LLC * licensing@extjs.com * http://www.extjs.com/license */ /**
- * @class Ext.grid.Column
- * <p>This class encapsulates column configuration data to be used in the initialization of a
- * {@link Ext.grid.ColumnModel ColumnModel}.</p>
- * <p>While subclasses are provided to render data in different ways, this class renders a passed
- * data field unchanged and is usually used for textual columns.</p>
- */
- Ext.grid.Column = function(config){
- Ext.apply(this, config);
- if(typeof this.renderer == 'string'){
- this.renderer = Ext.util.Format[this.renderer];
- } else if(Ext.isObject(this.renderer)){
- this.scope = this.renderer.scope;
- this.renderer = this.renderer.fn;
- }
- this.renderer = this.renderer.createDelegate(this.scope || config);
- if(this.id === undefined){
- this.id = ++Ext.grid.Column.AUTO_ID;
- }
- if(this.editor){
- this.editor = Ext.create(this.editor, 'textfield');
- }
- };
- Ext.grid.Column.AUTO_ID = 0;
- Ext.grid.Column.prototype = {
- /**
- * @cfg {Boolean} editable Optional. Defaults to <tt>true</tt>, enabling the configured
- * <tt>{@link #editor}</tt>. Set to <tt>false</tt> to initially disable editing on this column.
- * The initial configuration may be dynamically altered using
- * {@link Ext.grid.ColumnModel}.{@link Ext.grid.ColumnModel#setEditable setEditable()}.
- */
- /**
- * @cfg {String} id Optional. A name which identifies this column (defaults to the column's initial
- * ordinal position.) The <tt>id</tt> is used to create a CSS <b>class</b> name which is applied to all
- * table cells (including headers) in that column (in this context the <tt>id</tt> does not need to be
- * unique). The class name takes the form of <pre>x-grid3-td-<b>id</b></pre>
- * Header cells will also receive this class name, but will also have the class <pre>x-grid3-hd</pre>
- * So, to target header cells, use CSS selectors such as:<pre>.x-grid3-hd-row .x-grid3-td-<b>id</b></pre>
- * The {@link Ext.grid.GridPanel#autoExpandColumn} grid config option references the column via this
- * unique identifier.
- */
- /**
- * @cfg {String} header Optional. The header text to be used as innerHTML
- * (html tags are accepted) to display in the Grid view. <b>Note</b>: to
- * have a clickable header with no text displayed use <tt>' '</tt>.
- */
- /**
- * @cfg {Boolean} groupable Optional. If the grid is being rendered by an {@link Ext.grid.GroupingView}, this option
- * may be used to disable the header menu item to group by the column selected. Defaults to <tt>true</tt>,
- * which enables the header menu group option. Set to <tt>false</tt> to disable (but still show) the
- * group option in the header menu for the column. See also <code>{@link #groupName}</code>.
- */
- /**
- * @cfg {String} groupName Optional. If the grid is being rendered by an {@link Ext.grid.GroupingView}, this option
- * may be used to specify the text with which to prefix the group field value in the group header line.
- * See also {@link #groupRenderer} and
- * {@link Ext.grid.GroupingView}.{@link Ext.grid.GroupingView#showGroupName showGroupName}.
- */
- /**
- * @cfg {Function} groupRenderer <p>Optional. If the grid is being rendered by an {@link Ext.grid.GroupingView}, this option
- * may be used to specify the function used to format the grouping field value for display in the group
- * {@link #groupName header}. If a <tt><b>groupRenderer</b></tt> is not specified, the configured
- * <tt><b>{@link #renderer}</b></tt> will be called; if a <tt><b>{@link #renderer}</b></tt> is also not specified
- * the new value of the group field will be used.</p>
- * <p>The called function (either the <tt><b>groupRenderer</b></tt> or <tt><b>{@link #renderer}</b></tt>) will be
- * passed the following parameters:
- * <div class="mdetail-params"><ul>
- * <li><b>v</b> : Object<p class="sub-desc">The new value of the group field.</p></li>
- * <li><b>unused</b> : undefined<p class="sub-desc">Unused parameter.</p></li>
- * <li><b>r</b> : Ext.data.Record<p class="sub-desc">The Record providing the data
- * for the row which caused group change.</p></li>
- * <li><b>rowIndex</b> : Number<p class="sub-desc">The row index of the Record which caused group change.</p></li>
- * <li><b>colIndex</b> : Number<p class="sub-desc">The column index of the group field.</p></li>
- * <li><b>ds</b> : Ext.data.Store<p class="sub-desc">The Store which is providing the data Model.</p></li>
- * </ul></div></p>
- * <p>The function should return a string value.</p>
- */
- /**
- * @cfg {String} emptyGroupText Optional. If the grid is being rendered by an {@link Ext.grid.GroupingView}, this option
- * may be used to specify the text to display when there is an empty group value. Defaults to the
- * {@link Ext.grid.GroupingView}.{@link Ext.grid.GroupingView#emptyGroupText emptyGroupText}.
- */
- /**
- * @cfg {String} dataIndex <p><b>Required</b>. The name of the field in the
- * grid's {@link Ext.data.Store}'s {@link Ext.data.Record} definition from
- * which to draw the column's value.</p>
- */
- /**
- * @cfg {Number} width
- * Optional. The initial width in pixels of the column.
- * The width of each column can also be affected if any of the following are configured:
- * <div class="mdetail-params"><ul>
- * <li>{@link Ext.grid.GridPanel}.<tt>{@link Ext.grid.GridPanel#autoExpandColumn autoExpandColumn}</tt></li>
- * <li>{@link Ext.grid.GridView}.<tt>{@link Ext.grid.GridView#forceFit forceFit}</tt>
- * <div class="sub-desc">
- * <p>By specifying <tt>forceFit:true</tt>, {@link #fixed non-fixed width} columns will be
- * re-proportioned (based on the relative initial widths) to fill the width of the grid so
- * that no horizontal scrollbar is shown.</p>
- * </div></li>
- * <li>{@link Ext.grid.GridView}.<tt>{@link Ext.grid.GridView#autoFill autoFill}</tt></li>
- * <li>{@link Ext.grid.GridPanel}.<tt>{@link Ext.grid.GridPanel#minColumnWidth minColumnWidth}</tt></li>
- * <br><p><b>Note</b>: when the width of each column is determined, a space on the right side
- * is reserved for the vertical scrollbar. The
- * {@link Ext.grid.GridView}.<tt>{@link Ext.grid.GridView#scrollOffset scrollOffset}</tt>
- * can be modified to reduce or eliminate the reserved offset.</p>
- */
- /**
- * @cfg {Boolean} sortable Optional. <tt>true</tt> if sorting is to be allowed on this column.
- * Defaults to the value of the {@link #defaultSortable} property.
- * Whether local/remote sorting is used is specified in {@link Ext.data.Store#remoteSort}.
- */
- /**
- * @cfg {Boolean} fixed Optional. <tt>true</tt> if the column width cannot be changed. Defaults to <tt>false</tt>.
- */
- /**
- * @cfg {Boolean} resizable Optional. <tt>false</tt> to disable column resizing. Defaults to <tt>true</tt>.
- */
- /**
- * @cfg {Boolean} menuDisabled Optional. <tt>true</tt> to disable the column menu. Defaults to <tt>false</tt>.
- */
- /**
- * @cfg {Boolean} hidden Optional. <tt>true</tt> to hide the column. Defaults to <tt>false</tt>.
- */
- /**
- * @cfg {String} tooltip Optional. A text string to use as the column header's tooltip. If Quicktips
- * are enabled, this value will be used as the text of the quick tip, otherwise it will be set as the
- * header's HTML title attribute. Defaults to ''.
- */
- /**
- * @cfg {Mixed} renderer
- * <p>For an alternative to specifying a renderer see <code>{@link #xtype}</code></p>
- * <p>Optional. A renderer is an 'interceptor' method which can be used transform data (value,
- * appearance, etc.) before it is rendered). This may be specified in either of three ways:
- * <div class="mdetail-params"><ul>
- * <li>A renderer function used to return HTML markup for a cell given the cell's data value.</li>
- * <li>A string which references a property name of the {@link Ext.util.Format} class which
- * provides a renderer function.</li>
- * <li>An object specifying both the renderer function, and its execution scope (<tt><b>this</b></tt>
- * reference) e.g.:<pre style="margin-left:1.2em"><code>
- {
- fn: this.gridRenderer,
- scope: this
- }
- </code></pre></li></ul></div>
- * If not specified, the default renderer uses the raw data value.</p>
- * <p>For information about the renderer function (passed parameters, etc.), see
- * {@link Ext.grid.ColumnModel#setRenderer}. An example of specifying renderer function inline:</p><pre><code>
- var companyColumn = {
- header: 'Company Name',
- dataIndex: 'company',
- renderer: function(value, metaData, record, rowIndex, colIndex, store) {
- // provide the logic depending on business rules
- // name of your own choosing to manipulate the cell depending upon
- // the data in the underlying Record object.
- if (value == 'whatever') {
- //metaData.css : String : A CSS class name to add to the TD element of the cell.
- //metaData.attr : String : An html attribute definition string to apply to
- // the data container element within the table
- // cell (e.g. 'style="color:red;"').
- metaData.css = 'name-of-css-class-you-will-define';
- }
- return value;
- }
- }
- * </code></pre>
- * See also {@link #scope}.
- */
- /**
- * @cfg {String} xtype Optional. A String which references a predefined {@link Ext.grid.Column} subclass
- * type which is preconfigured with an appropriate <code>{@link #renderer}</code> to be easily
- * configured into a ColumnModel. The predefined {@link Ext.grid.Column} subclass types are:
- * <div class="mdetail-params"><ul>
- * <li><b><tt>gridcolumn</tt></b> : {@link Ext.grid.Column} (<b>Default</b>)<p class="sub-desc"></p></li>
- * <li><b><tt>booleancolumn</tt></b> : {@link Ext.grid.BooleanColumn}<p class="sub-desc"></p></li>
- * <li><b><tt>numbercolumn</tt></b> : {@link Ext.grid.NumberColumn}<p class="sub-desc"></p></li>
- * <li><b><tt>datecolumn</tt></b> : {@link Ext.grid.DateColumn}<p class="sub-desc"></p></li>
- * <li><b><tt>templatecolumn</tt></b> : {@link Ext.grid.TemplateColumn}<p class="sub-desc"></p></li>
- * </ul></div>
- * <p>Configuration properties for the specified <code>xtype</code> may be specified with
- * the Column configuration properties, for example:</p>
- * <pre><code>
- var grid = new Ext.grid.GridPanel({
- ...
- columns: [{
- header: 'Last Updated',
- dataIndex: 'lastChange',
- width: 85,
- sortable: true,
- //renderer: Ext.util.Format.dateRenderer('m/d/Y'),
- xtype: 'datecolumn', // use xtype instead of renderer
- format: 'M/d/Y' // configuration property for {@link Ext.grid.DateColumn}
- }, {
- ...
- }]
- });
- * </code></pre>
- */
- /**
- * @cfg {Object} scope Optional. The scope (<tt><b>this</b></tt> reference) in which to execute the
- * renderer. Defaults to the Column configuration object.
- */
- /**
- * @cfg {String} align Optional. Set the CSS text-align property of the column. Defaults to undefined.
- */
- /**
- * @cfg {String} css Optional. An inline style definition string which is applied to all table cells in the column
- * (excluding headers). Defaults to undefined.
- */
- /**
- * @cfg {Boolean} hideable Optional. Specify as <tt>false</tt> to prevent the user from hiding this column
- * (defaults to true). To disallow column hiding globally for all columns in the grid, use
- * {@link Ext.grid.GridPanel#enableColumnHide} instead.
- */
- /**
- * @cfg {Ext.form.Field} editor Optional. The {@link Ext.form.Field} to use when editing values in this column
- * if editing is supported by the grid. See <tt>{@link #editable}</tt> also.
- */
- // private. Used by ColumnModel to avoid reprocessing
- isColumn : true,
- /**
- * Optional. A function which returns displayable data when passed the following parameters:
- * <div class="mdetail-params"><ul>
- * <li><b>value</b> : Object<p class="sub-desc">The data value for the cell.</p></li>
- * <li><b>metadata</b> : Object<p class="sub-desc">An object in which you may set the following attributes:<ul>
- * <li><b>css</b> : String<p class="sub-desc">A CSS class name to add to the cell's TD element.</p></li>
- * <li><b>attr</b> : String<p class="sub-desc">An HTML attribute definition string to apply to the data container
- * element <i>within</i> the table cell (e.g. 'style="color:red;"').</p></li></ul></p></li>
- * <li><b>record</b> : Ext.data.record<p class="sub-desc">The {@link Ext.data.Record} from which the data was
- * extracted.</p></li>
- * <li><b>rowIndex</b> : Number<p class="sub-desc">Row index</p></li>
- * <li><b>colIndex</b> : Number<p class="sub-desc">Column index</p></li>
- * <li><b>store</b> : Ext.data.Store<p class="sub-desc">The {@link Ext.data.Store} object from which the Record
- * was extracted.</p></li>
- * </ul></div>
- * @property renderer
- * @type Function
- */
- renderer : function(value){
- if(typeof value == 'string' && value.length < 1){
- return ' ';
- }
- return value;
- },
- // private
- getEditor: function(rowIndex){
- return this.editable !== false ? this.editor : null;
- },
- /**
- * Returns the {@link Ext.Editor editor} defined for this column that was created to wrap the {@link Ext.form.Field Field}
- * used to edit the cell.
- * @param {Number} rowIndex The row index
- * @return {Ext.Editor}
- */
- getCellEditor: function(rowIndex){
- var editor = this.getEditor(rowIndex);
- if(editor){
- if(!editor.startEdit){
- if(!editor.gridEditor){
- editor.gridEditor = new Ext.grid.GridEditor(editor);
- }
- return editor.gridEditor;
- }else if(editor.startEdit){
- return editor;
- }
- }
- return null;
- }
- };
- /**
- * @class Ext.grid.BooleanColumn
- * @extends Ext.grid.Column
- * <p>A Column definition class which renders boolean data fields. See the {@link Ext.grid.ColumnModel#xtype xtype}
- * config option of {@link Ext.grid.ColumnModel} for more details.</p>
- */
- Ext.grid.BooleanColumn = Ext.extend(Ext.grid.Column, {
- /**
- * @cfg {String} trueText
- * The string returned by the renderer when the column value is not falsey (defaults to <tt>'true'</tt>).
- */
- trueText: 'true',
- /**
- * @cfg {String} falseText
- * The string returned by the renderer when the column value is falsey (but not undefined) (defaults to
- * <tt>'false'</tt>).
- */
- falseText: 'false',
- /**
- * @cfg {String} undefinedText
- * The string returned by the renderer when the column value is undefined (defaults to <tt>' '</tt>).
- */
- undefinedText: ' ',
- constructor: function(cfg){
- Ext.grid.BooleanColumn.superclass.constructor.call(this, cfg);
- var t = this.trueText, f = this.falseText, u = this.undefinedText;
- this.renderer = function(v){
- if(v === undefined){
- return u;
- }
- if(!v || v === 'false'){
- return f;
- }
- return t;
- };
- }
- });
- /**
- * @class Ext.grid.NumberColumn
- * @extends Ext.grid.Column
- * <p>A Column definition class which renders a numeric data field according to a {@link #format} string. See the
- * {@link Ext.grid.ColumnModel#xtype xtype} config option of {@link Ext.grid.ColumnModel} for more details.</p>
- */
- Ext.grid.NumberColumn = Ext.extend(Ext.grid.Column, {
- /**
- * @cfg {String} format
- * A formatting string as used by {@link Ext.util.Format#number} to format a numeric value for this Column
- * (defaults to <tt>'0,000.00'</tt>).
- */
- format : '0,000.00',
- constructor: function(cfg){
- Ext.grid.NumberColumn.superclass.constructor.call(this, cfg);
- this.renderer = Ext.util.Format.numberRenderer(this.format);
- }
- });
- /**
- * @class Ext.grid.DateColumn
- * @extends Ext.grid.Column
- * <p>A Column definition class which renders a passed date according to the default locale, or a configured
- * {@link #format}. See the {@link Ext.grid.ColumnModel#xtype xtype} config option of {@link Ext.grid.ColumnModel}
- * for more details.</p>
- */
- Ext.grid.DateColumn = Ext.extend(Ext.grid.Column, {
- /**
- * @cfg {String} format
- * A formatting string as used by {@link Date#format} to format a Date for this Column
- * (defaults to <tt>'m/d/Y'</tt>).
- */
- format : 'm/d/Y',
- constructor: function(cfg){
- Ext.grid.DateColumn.superclass.constructor.call(this, cfg);
- this.renderer = Ext.util.Format.dateRenderer(this.format);
- }
- });
- /**
- * @class Ext.grid.TemplateColumn
- * @extends Ext.grid.Column
- * <p>A Column definition class which renders a value by processing a {@link Ext.data.Record Record}'s
- * {@link Ext.data.Record#data data} using a {@link #tpl configured} {@link Ext.XTemplate XTemplate}.
- * See the {@link Ext.grid.ColumnModel#xtype xtype} config option of {@link Ext.grid.ColumnModel} for more
- * details.</p>
- */
- Ext.grid.TemplateColumn = Ext.extend(Ext.grid.Column, {
- /**
- * @cfg {String/XTemplate} tpl
- * An {@link Ext.XTemplate XTemplate}, or an XTemplate <i>definition string</i> to use to process a
- * {@link Ext.data.Record Record}'s {@link Ext.data.Record#data data} to produce a column's rendered value.
- */
- constructor: function(cfg){
- Ext.grid.TemplateColumn.superclass.constructor.call(this, cfg);
- var tpl = typeof Ext.isObject(this.tpl) ? this.tpl : new Ext.XTemplate(this.tpl);
- this.renderer = function(value, p, r){
- return tpl.apply(r.data);
- };
- this.tpl = tpl;
- }
- });
- /*
- * @property types
- * @type Object
- * @member Ext.grid.Column
- * @static
- * <p>An object containing predefined Column classes keyed by a mnemonic code which may be referenced
- * by the {@link Ext.grid.ColumnModel#xtype xtype} config option of ColumnModel.</p>
- * <p>This contains the following properties</p><div class="mdesc-details"><ul>
- * <li>gridcolumn : <b>{@link Ext.grid.Column Column constructor}</b></li>
- * <li>booleancolumn : <b>{@link Ext.grid.BooleanColumn BooleanColumn constructor}</b></li>
- * <li>numbercolumn : <b>{@link Ext.grid.NumberColumn NumberColumn constructor}</b></li>
- * <li>datecolumn : <b>{@link Ext.grid.DateColumn DateColumn constructor}</b></li>
- * <li>templatecolumn : <b>{@link Ext.grid.TemplateColumn TemplateColumn constructor}</b></li>
- * </ul></div>
- */
- Ext.grid.Column.types = {
- gridcolumn : Ext.grid.Column,
- booleancolumn: Ext.grid.BooleanColumn,
- numbercolumn: Ext.grid.NumberColumn,
- datecolumn: Ext.grid.DateColumn,
- templatecolumn: Ext.grid.TemplateColumn
- };