Adobe 38040334 Extending Dreamweaver - Page 221

The Property inspector API functions

Page 221 highlights

DREAMWEAVER CS3 215 Extending Dreamweaver 5 Save the file as marquee.js in the Configuration/Inspectors folder. Creating the image You can optionally create the image that appears in the Property inspector. To create the image: 1 Create an image that is 36 pixels wide and 36 pixels high. 2 Save the image as marquee.gif in Configuration/Inspectors. In general, you can save images for Property inspectors in any format that Dreamweaver supports. Testing the Property inspector Finally, you can test the Property inspector. To test the Property inspector: 1 Restart Dreamweaver. 2 Create a new HTML page, or open an existing HTML page. 3 Add the following in the body section of the page: 4 Highlight the text you just added. The Property inspector you created for the marquee tag appears. 5 Enter a value for the direction attribute in the Property inspector. The tag on your page changes to include the direction attribute and the value you entered in the Property inspector. The Property inspector API functions Two of the Property inspector API functions (canInspectSelection() and inspectSelection()) are required. canInspectSelection() Description Determines whether the Property inspector is appropriate for the current selection. Arguments None. Note: Use dom.getSelectedNode() to get the current selection as a JavaScript object (for more information about dom.getSelectedNode(), see the Dreamweaver API Reference). Returns Dreamweaver expects a Boolean value: true if the inspector can inspect the current selection; false otherwise.

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DREAMWEAVER CS3
Extending Dreamweaver
215
5
Save the file as marquee.js in the Configuration/Inspectors folder.
Creating the image
You can optionally create the image that appears in the Property inspector.
To create the image:
1
Create an image that is 36 pixels wide and 36 pixels high.
2
Save the image as marquee.gif in Configuration/Inspectors.
In general, you can save images for Property inspectors in any format that Dreamweaver supports.
Testing the Property inspector
Finally, you can test the Property inspector.
To test the Property inspector:
1
Restart Dreamweaver.
2
Create a new HTML page, or open an existing HTML page.
3
Add the following in the body section of the page:
<MARQUEE></MARQUEE>
4
Highlight the text you just added.
The Property inspector you created for the
marquee
tag appears.
5
Enter a value for the direction attribute in the Property inspector.
The tag on your page changes to include the direction attribute and the value you entered in the Property inspector.
The Property inspector API functions
Two of the Property inspector API functions (
canInspectSelection()
and
inspectSelection()
) are required.
canInspectSelection()
Description
Determines whether the Property inspector is appropriate for the current selection.
Arguments
None.
Note:
Use
dom.getSelectedNode()
to get the current selection as a JavaScript object (for more information about
dom.getSelectedNode()
, see the
Dreamweaver API Reference
).
Returns
Dreamweaver expects a Boolean value:
true
if the inspector can inspect the current selection;
false
otherwise.