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New column resizing behavior and modes.
Splits resizing behavior into two modes (standard and fluid), configurable via: columnMode: 'standard/fluid' In standard mode, columns push and pull their neighbors; resizing a column will change only that column's width. In fluid mode, columns steal width from their neighbors when resized. Column configuration options have been made more effective and consistent: minWidth/maxWidth now work reliably, and isResizable/isSortable/canAutoResize can be configured to get a wide range of behaviors out of Ember Table. Width can be persisted via the savedWidth property. Finally, adds a "configurable column demo" that makes it easy to play with the new configurations to see what they do or find a behavior that will work for different use cases.
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Alex Zirbel
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Dec 5, 2014
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| App.EmberTableConfigurableColumnsController = Ember.Controller.extend | ||
| numRows: 100 | ||
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| isFluid: no | ||
| columnMode: Ember.computed -> | ||
| if @get('isFluid') then 'fluid' else 'standard' | ||
| .property 'isFluid' | ||
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|
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| showTable: yes | ||
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| columns: Ember.computed -> | ||
| dateColumn = App.ConfigurableColumnDefinition.create | ||
| textAlign: 'text-align-left' | ||
| headerCellName: 'Date' | ||
| minWidth: 150 | ||
| getCellContent: (row) -> row.get('date').toDateString(); | ||
| openColumn = App.ConfigurableColumnDefinition.create | ||
| headerCellName: 'Open' | ||
| getCellContent: (row) -> row.get('open').toFixed(2) | ||
| highColumn = App.ConfigurableColumnDefinition.create | ||
| headerCellName: 'High' | ||
| getCellContent: (row) -> row.get('high').toFixed(2) | ||
| lowColumn = App.ConfigurableColumnDefinition.create | ||
| headerCellName: 'Low' | ||
| getCellContent: (row) -> row.get('low').toFixed(2) | ||
| closeColumn = App.ConfigurableColumnDefinition.create | ||
| headerCellName: 'Close' | ||
| getCellContent: (row) -> row.get('close').toFixed(2) | ||
| [dateColumn, openColumn, highColumn, lowColumn, closeColumn] | ||
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| content: Ember.computed -> | ||
| [0...@get('numRows')].map (index) -> | ||
| date = new Date() | ||
| date.setDate(date.getDate() + index) | ||
| date: date | ||
| open: Math.random() * 100 - 50 | ||
| high: Math.random() * 100 - 50 | ||
| low: Math.random() * 100 - 50 | ||
| close: Math.random() * 100 - 50 | ||
| volume: Math.random() * 1000000 | ||
| .property 'numRows' | ||
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| # We bind the container width to a `parentWidth` property on the | ||
| # `ConfigurableTableComponent`. Then we extend the table to force it to | ||
| # handle resizes whenever the `parentWidth` changes. This is a hack - the | ||
| # table should take care of resizing to available width on its own, but for | ||
| # now we need this to make the demo work. | ||
| demoTableWidth: undefined | ||
| updateDemoTableWidth: (newWidth) -> | ||
| @set 'demoTableWidth', newWidth | ||
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| actions: | ||
| # Pulls the table out and back into the DOM | ||
| refreshTable: -> | ||
| @set 'showTable', no | ||
| Ember.run.next => | ||
| @set 'showTable', yes | ||
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| # We extend Ember.Table.ColumnDefinition for two reasons: to use custom | ||
| # getters/setters for savedWidth/minWidth/maxWidth so that they can be set via | ||
| # the configuration container, and to add properties which can be used for | ||
| # formatting. | ||
| App.ConfigurableColumnDefinition = Ember.Table.ColumnDefinition.extend | ||
| savedWidth: undefined | ||
| savedWidthValue: Ember.computed (key, value) -> | ||
| if arguments.length is 1 | ||
| return @get('savedWidth') | ||
| else | ||
| @set('savedWidth', parseInt(value)) | ||
| return @get('savedWidth') | ||
| .property 'savedWidth' | ||
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| minWidthValue: Ember.computed (key, value) -> | ||
| if arguments.length is 1 | ||
| return @get('minWidth') | ||
| else | ||
| @set('minWidth', parseInt(value)) | ||
| return @get('minWidth') | ||
| .property 'minWidth' | ||
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| atMinWidth: Ember.computed -> | ||
| @get('width') is @get('minWidth') | ||
| .property 'width', 'minWidth' | ||
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| atMaxWidth: Ember.computed -> | ||
| @get('width') is @get('maxWidth') | ||
| .property 'width', 'maxWidth' | ||
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| maxWidth: undefined | ||
| maxWidthValue: Ember.computed (key, value) -> | ||
| if arguments.length is 1 | ||
| return @get('maxWidth') | ||
| else | ||
| @set('maxWidth', parseInt(value)) | ||
| return @get('maxWidth') | ||
| .property 'maxWidth' | ||
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| headerCellNameLowerCase: Ember.computed -> | ||
| @get('headerCellName').toLowerCase() | ||
| .property 'headerCellName' | ||
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| isDateCell: Ember.computed.equal 'headerCellName', 'Date' | ||
| textAlignIsDefault: Ember.computed.equal 'textAlign', 'text-align-right' | ||
| minWidthIsDefault: Ember.computed.equal 'minWidth', 25 | ||
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| # TODO(azirbel): We extend this to create a very hacky way of calling | ||
| # `@onResizeEnd` in the table, triggered by resizing the table's container. We | ||
| # only need to do this because the table currently does a bad job detecting | ||
| # when its width has changed. | ||
| App.ConfigurableTableComponent = Ember.Table.EmberTableComponent.extend | ||
| parentWidthObserver: Ember.observer( -> | ||
| @onResizeEnd() | ||
| , 'parentWidth') |
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