Hi,
The cross browser DHTML stuff that one can achieve with DynAPI is terrific
However cannot get the foll to work in Netscape 4.7. Any clues will be
appreciated.
(I use DynAPI 2.5.7 from SourceForge.net)
In my web page I want to have a scrollable area with the content coming from
an external file (maybe html/ jsp/ ...)
So developed a web page on the lines of the sample
dynapi.gui.scrollpane.html I removed the label objects that are created in
the onLoad and replaced it with a LoadPanel.
Created (without the content parameter) and added a ScrollPane object to the
document.
Provided a link on the web page to set the LoadPanel as a content of the
ScrollPane and a link to load an external file into the LoadPanel.
When viewed in a browser works with the links clicked in the following
order....
1. An empty scroll pane (with gray background) without scroll bars is
seen on load.
2. When setContent is clicked an empty LoadPanel with a red background
is added to the scroll pane.
The scroll bars show automatically and they work!
3. When setURL is clicked an external file is loaded into the LoadPanel
which resizes with resulting resizing of the scroll pane as well.
But now in Netscape Communicator 4.7 the scroll bars refuse to function.
(They used to function before the setURL function of the loadPanel is
invoked.)
In IE 5.5 there is no problem the scrolling is perfect.
With a little bit of debugging found that in Netscape I can achieve
scrolling by calling invokeEvent('mousedown') on the scrollbar buttons. It
seems in Netscape (after the external document loads) there is some
transparent layer on top of the scrollbars due to which they do not receive
the mouse clicks.
Any clues as to how to remove this transparent layer ? I tried to bring the
scroll bar to the top by setting its zIndex but no success.
Source code:
<pre>
<html><head>
<script language="Javascript">
DynAPI.setLibraryPath('../src/lib/');
DynAPI.include('dynapi.api.*');
DynAPI.include('dynapi.event.*')
DynAPI.include('dynapi.util.thread.js');
DynAPI.include('dynapi.util.pathanim.js');
DynAPI.include('dynapi.gui.dynimage.js');
DynAPI.include('dynapi.gui.button.js');
DynAPI.include('dynapi.gui.scrollbar.js');
DynAPI.include('dynapi.gui.label.js');
DynAPI.include('dynapi.gui.viewport.js');
DynAPI.include('dynapi.gui.scrollpane.js');
DynAPI.include('dynapi.gui.loadpanel.js');
</script>
<script language="Javascript">
DynAPI.onLoad = function()
{
lp = new LoadPanel();
lp.setHTML("no file loaded");
lp.setSize(800,100); // height will be overwritten by
default
lp.moveTo(100,100);
lp.setBgColor('red');
lp.setAutoResizeHeight(true);
lp.setAutoResizeWidth(true);
counter = 0;
var el = new EventListener();
el.onload = function(e) {
status = 'got load event '+ counter++;
}
lp.addEventListener(el);
scrollobj = new ScrollPane() // the loadpanel will be set
as the content later.
scrollobj.setSize(450,150)
scrollobj.moveTo(250,50)
scrollobj.setBgColor('#c0c0c0')
DynAPI.document.addChild(scrollobj)
}
function setContentOfScrollPane()
{
scrollobj.setContent(lp)
}
function loadExternalDocument()
{
lp.setURL('tomcat.html') // any url can be
substituted here; either absolute/ relative
}
</head><body>
<a href="javascript:setContentOfScrollPane()">Set the Load Panel as the
content of the scroll pane</a><br>
<a href="javascript:loadExternalDocument()">Set the URL of the Load Panel
</a><br>
</body>
</html>
</pre>
Rgds
G1
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