Call scrollTo to scroll a canvas : Canvas « SmartClient « JavaScript DHTML






Call scrollTo to scroll a canvas

 
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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 BGCOLOR='papayawhip' MARGINHEIGHT=0 MARGINWIDTH=0 LEFTMARGIN=0 TOPMARGIN=0>
<TABLE WIDTH=100% CELLSPACING=0 CELLPADDING=5 BORDER=0><TR><TD CLASS=pageHeader BGCOLOR=WHITE>

  Dynamic clipping and scrolling example

</TD><TD CLASS=pageHeader ALIGN=RIGHT BGCOLOR=WHITE>

  Isomorphic SmartClient

</TD></TR></TABLE><TABLE WIDTH=100% CELLSPACING=0 CELLPADDING=0 BORDER=0><TR>
<TD BGCOLOR=336666><IMG SRC=images/blank.gif WIDTH=1 HEIGHT=4></TD></TR></TABLE>


<!--------------------------
  Example code starts here
---------------------------->

<SCRIPT>

// HTML for the image to use in all of the canvas widgets below
var theImage = Canvas.imgHTML("http://www.java2s.com/style/logo.png", 200, 200);

// overflow: hidden
Canvas.create({    
   overflow:"hidden", 
   ID:"hiddenCanvas",    
   left:20,    
   top:345,    
   width:100,    
   height:100,    
   contents:theImage 
});

Label.create({    
   left:20,    
   top:545,    
   width:200,    
   height:20,    
   contents:"overflow:'hidden'",    
   align:"center" 
});

// buttons for scrolling content of the hiddenCanvas
Button.create({    
   left:45,    
   top:465,    
   width:50,    
   height:20,    
   title:"TL",    
   click:"hiddenCanvas.scrollTo(0,0)" 
});

Button.create({    
   left:145,    
   top:465,    
   width:50,    
   height:20,    
   title:"TR",    
   click:"hiddenCanvas.scrollTo(100,0)" 
});

Button.create({    
   left:95,    
   top:485,    
   width:50,    
   height:20,    
   title:"Center",    
   click:"hiddenCanvas.scrollTo(50,50)" 
});

Button.create({    
   left:45,    
   top:505,    
   width:50,    
   height:20,    
   title:"BL",    
   click:"hiddenCanvas.scrollTo(0,100)" 
});

Button.create({    
   left:145,    
   top:505,    
   width:50,    
   height:20,    
   title:"BR",    
   click:"hiddenCanvas.scrollTo(100,100)" 
});


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

   
  








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