Should I be able to set the canvas width with a setAttribute? Because in
DHTML I am getting
this error

lzx> canvas.setAttribute('width', 500)
ERROR: TypeError: this.__LZclickcontainerdiv is undefined



On Sat, Aug 29, 2009 at 5:32 PM, P T Withington <[email protected]> wrote:

> [Note this fixes both LPP-6535 (dynamic canvas) and LPP-8402 (suppress
> scrollbars in unwrapped app).  This change reverts r14554 and implements the
> clipping of the app on the application container div instead of on the
> canvas.]
>
> Change 20090826-ptw-X by [email protected] on 2009-08-26 16:45:10 EDT
>    in /Users/ptw/OpenLaszlo/trunk-2
>    for http://svn.openlaszlo.org/openlaszlo/trunk
>
> Summary: Allow canvas resizing
>
> Bugs Fixed:
> LPP-6535 Allow canvas size to be set dynamically to a new physical size
> LPP-8402 DHTML: Extra scrollbar width on Safari and windows firefox and IE
> 7 when wrapper has overflow: hidden removed
>
> Technical Reviewer: max (pending)
> QA Reviewer: hminsky (pending)
>
> Documentation:
>    The canvas width and height values are no longer read-only.  They
>    may be set at run time.
>
> Details:
>    Basically, changing the canvas dimensions actually changes the
>    dimensions of the app container div in the browser.  The canvas
>    itself, whether a DHTML div or swf <embed> is set to follow the
>    size of it's container div.  This allows us to set the size
>    dynamically to either a pixel dimension or a percentage of the
>    browser window (assuming the container app is the top div in the
>    <body>).
>
>    LzSprite.*: Add static methods setRoot{X,Y,Width,Height} which are
>    used to position the canvas container dynamically.  In the swf
>    runtime, this is done with the help of an ExternalInterface call
>    to lz.embed.  In DHTML, the div can be directly manipulated.
>
>    LzSprite.js, html-response, app-console:  Move the clipping of the
>    application from the <body> of the responders to the application
>    container div (solves LPP-8402).
>
>    LzSprite.js, LzTimerKernel, LzKeyboardKernel, LzContextMenuKernel,
>    LzTextSprite, LzScreenKernel, LzMouseKernel, LzInputTextSprite, :
>    Made quirks a static property, and __updateQuirks a static method,
>    so people don't get fooled again.  Create an alias for instances
>    so they can continue to address quirks through `this`.  Removed
>    some obsolete quirks.  Moved `CSSDimension` to LzKernelUtils,
>    since it is needed by all runtimes now, kept an alias on instances
>    for access through `this`.
>
>    kernel/LzLibrary, LzKernelUtils: Added to hold utility functions
>    shared by all runtimes.
>
>    LaszloView: Correct fence-post error in `containsPt`.
>
>    LaszloCanvas: Use the new kernel sizing features to set the size
>    of the canvas container.  Always track __windowResize, as this is
>    how the canvas actual size is kept in sync with the container.
>    Allow canvas dimensions to be set dynamically.
>
>    html-response, embed-body, app-console:  Move the embedding
>    template to an include file so that html and app responders, which
>    both need the same code, will not skew.
>
>    app-console: Remove cruft that supported the old bootstrap DHTML
>    debugger.  Share embed code with html-response (don't put DHTML
>    apps in an unnecessary iframe).  Put the console app in an iframe,
>    so it will not pollute the app window.
>
>    embednew: Calculate appenddiv early so it can be in both swfargs
>    and properties.  Initialize the appenddiv size to the canvas
>    dimensions.  The canvas sizes itself to its container.  Support
>    resizing the container from swf.
>
>    dev-console.*, console.css: Remove unnecessary cruft from
>    bootstrap-debugger days.  Add javascript to load the console that
>    corresponds to the app runtime.  Recompile the solo deploys.
>
> Tests:
>    Calling canvas.setAttribute('height', ...) or 'width' with various
>    values.
>
> Files:
> M      WEB-INF/lps/lfc/kernel/swf/LzSprite.as
> M      WEB-INF/lps/lfc/kernel/dhtml/LzTimeKernel.js
> M      WEB-INF/lps/lfc/kernel/dhtml/LzKeyboardKernel.js
> M      WEB-INF/lps/lfc/kernel/dhtml/LzContextMenuKernel.lzs
> M      WEB-INF/lps/lfc/kernel/dhtml/LzSprite.js
> M      WEB-INF/lps/lfc/kernel/dhtml/LzTextSprite.js
> M      WEB-INF/lps/lfc/kernel/dhtml/LzScreenKernel.js
> M      WEB-INF/lps/lfc/kernel/dhtml/LzMouseKernel.js
> M      WEB-INF/lps/lfc/kernel/dhtml/LzInputTextSprite.js
> M      WEB-INF/lps/lfc/kernel/swf9/LzSprite.as
> M      WEB-INF/lps/lfc/kernel/Library.lzs
> A      WEB-INF/lps/lfc/kernel/LzKernelUtils.lzs
> M      WEB-INF/lps/lfc/views/LaszloView.lzs
> M      WEB-INF/lps/lfc/views/LaszloCanvas.lzs
> M      WEB-INF/lps/templates/html-response_jp.xslt
> A      WEB-INF/lps/templates/embed-body_jp.xslt
> M      WEB-INF/lps/templates/html-response.xslt
> A      WEB-INF/lps/templates/embed-body.xslt
> M      WEB-INF/lps/templates/app-console_jp.xslt
> M      WEB-INF/lps/templates/app-console.xslt
> M      lps/includes/console.css
> M      lps/includes/source/embednew.js
> M      lps/admin/dev-console.html
> M      lps/admin/dev-console.lzx.js
> M      lps/admin/dev-console.lzx.swf
> M      lps/admin/dev-console.lzx
>
> Changeset: http://svn.openlaszlo.org/openlaszlo/patches/20090826-ptw-X.tar
>



-- 
Henry Minsky
Software Architect
[email protected]
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