Use scroll bar to control the Canvas

 
<!--
Isomorphic SmartClient
Copyright(c) 1998 and beyond Isomorphic Software, Inc.
"SmartClient" is a trademark of Isomorphic Software, Inc.
All rights reserved.

Open Source License

SmartClient source code, located under the source/ directory, and the resulting assembled modules 
in isomorphic/system/modules/, as well as JavaScript and CSS files under the isomorphic/skins directory are 
licensed under the terms of the GNU Lesser General Public License, version 3. 
The text of the LGPLv3 license is available online at http://www.gnu.org/licenses/lgpl-3.0.html

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we encourage you to buy a commercial license.

Icon Experience Collection

Selected 16x16 icons within the isomorphic/skins directory are part of the Icon Experience collection 
(http://www.iconexperience.com) and may be freely used with any SmartClient components without charge, 
but may not be used as part of screen designs separate from SmartClient components without a purchase 
of a license from Icon Experience. We are working to replace these icons as soon as possible.

All other media found under the isomorphic/skins directory may be used under the LGPLv3.

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Copyright 2001 and beyond Isomorphic Software, Inc. Last revised July 20, 2008. 


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<!-- The following code is revised from SmartClient demo code(SmartClient_70rc2_LGPL.zip).-->



<HTML><HEAD>
  <SCRIPT>var isomorphicDir="isomorphic/";</SCRIPT>
    <SCRIPT SRC=isomorphic/system/modules/ISC_Core.js></SCRIPT>
    <SCRIPT SRC=isomorphic/system/modules/ISC_Foundation.js></SCRIPT>
    <SCRIPT SRC=isomorphic/system/modules/ISC_Containers.js></SCRIPT>
    <SCRIPT SRC=isomorphic/system/modules/ISC_Grids.js></SCRIPT>
    <SCRIPT SRC=isomorphic/system/modules/ISC_Forms.js></SCRIPT>
    <SCRIPT SRC=isomorphic/system/modules/ISC_DataBinding.js></SCRIPT>
  <SCRIPT SRC=isomorphic/skins/SmartClient/load_skin.js></SCRIPT>
</HEAD><BODY>
<SCRIPT>


// this skin uses the thumb down state
Scrollbar.setProperties({
    allowThumbDownState:true
});

Canvas.create({
    ID:"scrolledWidget",
    left:150,
    top:225,
    width:100,
    height:100,
    contents:Canvas.imgHTML("http://www.java2s.com/style/logo.png", 200, 200),
    overflow:"hidden"
});


var scrollbarWidth = 32;


Scrollbar.create({
    ID:"hscrollbar",
    left:16,
    top:41,
    width:400,
    vertical:false,
    btnSize:scrollbarWidth,
    showCorner:true,
    imageType:"stretch",
    scrollTarget:scrolledWidget,
    autoEnable:false
});


Scrollbar.create({
    ID:"vscrollbar",
    left:hscrollbar.left + hscrollbar.width - scrollbarWidth,
    top:hscrollbar.top + scrollbarWidth - 2,
    height:400,
    btnSize:scrollbarWidth,
    imageType:"stretch",
    scrollTarget:scrolledWidget,
    autoEnable:false
});


Button.create({
    left:60,
    top:395,
    width:130,
    click:"hscrollbar.enable();vscrollbar.enable()",
    title:"Enable scrollbars"
});


Button.create({
    left:200,
    top:395,
    width:130,
    click:"hscrollbar.disable();vscrollbar.disable()",
    title:"Disable scrollbars"
});

Button.create({
    left:60,
    top:435,
    width:130,
    click:"scrolledWidget.scrollTo(50)",
    title:"Scroll horizontal to 50"
});

Button.create({
    left:200,
    top:435,
    width:130,
    click:"scrolledWidget.scrollTo(null,50)",
    title:"Scroll vertical to 50"
});


</SCRIPT>
</BODY>
</HTML>
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