Display Examples in Java

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Display Examples
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This figure shows a progress bar Notice that there is a darker area within the progress bar representing the completion status It takes up 10% of the space on the progress bar, which is equal to the number displayed in the center of the bar HTML Markup Examples Create a ProgressBar widget
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<div dojoType="dijitProgressBar" maximum="100" progress="10" id="bar1"> </div>
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JavaScript Constructor Examples
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The following code will create a ProgressBar widget
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new dijitProgressBar({ annotate:"true", maximum:"50", progress:"35"}, dojobyId("d1"))
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92 Menu Widget
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Key Properties
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Property progress
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Default "0"
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Description This property contains the value of the progress It can be specified as a percentage using nn% or as an absolute number, which will be converted into a percentage of the value specified in the maximum property This property contains the upper limit of the value used to calculate the percentage of progress This property specifies the number of decimal places to show in the progress value When this property is true, the progress value is unknown and is not shown
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false
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Key Methods Key Styles Key Events Notes
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Method update()
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Description Function for updating the progress status of the widget
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None None None
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Other Specialized Dojo Widgets
Widget Name Super Classes File Location Usage
dijitColorPalette
dijit_Widget
dijit/ColorPalettejs Use dojorequire("dijitColorPalette"); This class creates a widget that displays a grid containing a selection of colors, one of which may be selected by the user There are two built-in palettes available, the 7 x 10 and the 3 x 4 The specific colors are also built into the palette After the user selects a color, the value of the widget is set to the RGB value of the selected color
Display Examples
This figure shows the 7 10 version of the widget HTML Markup Examples JavaScript Constructor Examples Key Properties Create a ColorPalette widget
<div dojoType="dijitColorPalette" palette="3x4" />
The following code will create a ColorPalette
new dijitColorPalette({palette:"7x10"}, dojobyId("d1"))
Property palette value
Default Description "7 x 10" The 7 x 10 or 3 x 4 values are only valid ones defined by default null RGB value of the selected color
Key Methods Key Styles Key Events Notes
None None Style Name onChange() None Description Function called when a color is selected
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Widget Name Super Classes File Location Usage
dijitTree
dijit_Widget dijit_TreeNode
dijit/Treejs Use dojorequire("dijitTree"); This class creates a widget that displays a collapsible and expandable outline structure Nodes in the tree can be clicked to trigger some action Also when nodes are expanded, their content can be dynamically loaded from the server It is possible to build trees programmatically or through HTML, but the simplest technique is to use a Dojo data store, which can be directly associated with the widget and populates the widget automatically It is also possible to enable a drag and drop mode so that tree items can be moved from one parent item to another
Display Examples
This figure shows fully expanded Tree widget with a number of levels Although this example shows text for each tree node, it is also possible to add an icon HTML Markup Examples Create a Tree widget from a Dojo data store
<div dojoType="dojodataItemFileReadStore" jsId="treeStore" url="treejson"></div> <div dojoType="dijitTree" store="treeStore" query="{type:'category'}" label="Rocks">
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Other Specialized Dojo Widgets
Note: Following is an example of the original JSON content of the data store corresponding to the Display Example
{ label: 'name', identifier: 'name', items: [ { name:'Igneous', type:'category'}, { name:'Metamorphic', type: 'category', children: [ { name:'Slate', type:'subtype' }, { name:'Gneiss', type:'subtype' }, { name:'Quartzite', type:'subtype' } ] }, { name:'Sedimentary', type: 'category'} ] }
JavaScript Constructor Examples Key Properties
The programmatic construction of this widget is beyond the scope of this book See the Dojo documentation on the web site for more details Property store query Default null null Description The Dojo data store associated with this widget The data store associated with this object should contain objects with a category property The query property should specify a value containing the value of category, which should be considered first-level items in the tree
The following table describes properties for tree nodes themselves which are of class dijit_TreeNode, which is an internal Dojo function Property label isExpandable isExpanded Key Methods Default "" true false Description Contains text for label of tree node Note: This property belongs to each tree node Can the node be expanded Has the node been expanded