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The Dojo Toolkit: Layout Dijits

Dec 18, 2008

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This chapter is from the book 

Dojo Toolkit, The: Visual QuickStart Guide

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Using BorderContainer

One of the most popular layout containers is the BorderContainer Dijit. This layout container lets you arrange content panes inside a common border by assigning values to their region attributes: "top", "bottom", "left", "right", and "center".

You can also allow the user to resize a content pane with the mouse by setting the content pane's splitter attribute to "true".

The example bordercontainer.html uses three content panes.

Open your Web page in a text editor.
Add dojo.require("dijit.layout.ContentPane"); and dojo.require("dijit.form.BorderContainer"); statements to your code.

To draw a border container with three content panes, create a new border container using a <div> element with its dojoType attribute set to dijit.form.BorderContainer and place three content panes inside it, with their region attributes set to "top", "center", and "bottom". Set the top and bottom content panes' splitter attributes to "true".

Script 4.3 shows what your page should look like after you make the additions.

Script 4.3. Adding border containers.

1   <html>
2     <head>
3       <title>Using Border
4         Containers</title>
(5-19) . . .
20      <script type="text/javascript">
21        dojo.require("dojo.parser");
22        dojo.require(
23          "dijit.layout.ContentPane");
24        dojo.require(
25          "dijit.layout.BorderContainer");
26      </script>
27    </head>
28    <body class="tundra">
29      <h1>Using Border Containers</h1>
30      <br>
31      <div
32      dojoType=
33        "dijit.layout.BorderContainer"
34        style=
35          "height:100px;width:150px;
36          border:solid 2px;">
37        <div
38          dojoType=
39         "dijit.layout.ContentPane"
40         region="top"
41         style="background-color:pink;
42           height:30px;" splitter="true"
43           minSize="10" maxSize="800">
44           Top region
45        </div>
46        <div
47          dojoType=
48          "dijit.layout.ContentPane"
49          region="center">
50          Center region
51        </div>
52        <div
53          dojoType=
54          "dijit.layout.ContentPane"
55          region="bottom"
56          style="background-color:cyan;
57          height:30px;"
58          splitter="true"
59          minSize="10" maxSize="800">
60          Bottom region
61        </div>
62      </div>
63    </body>
64  </html>

Save your file.
Navigate to your file in a browser. You should see a border container with three content panes (Figure 4.3).

Figure 4.3 A border container with three content panes.

You can resize the top and bottom content panes with the mouse. The cursor changes to a double-headed arrow for resizing.

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