bipad.js

ajax 框价．是个好工具．javascript 矿家．可以用在任何平台．

var biPad;

function BiPad()
{
	var source = application.getComponentById("source");
	var preview = application.getComponentById("preview");
	var mb = application.getComponentById( "menu-bar" );
	var hmb = application.getComponentById( "help-menu-button" );
	var b = new BiMenuButton( "Snippets" );
	b.setMnemonic( "S" );
	b.setSubMenu( this.getSnippetsMenu( application.getResourceById("snippets") ) );
	mb.add( b, hmb );

	source.setFocused( true );

	// If Mozilla we hide the clipboard ui elements
	if ( BiBrowserCheck.moz )
	{
		var item;
		var items = ["clipboard-tbs", "cut-tbb", "copy-tbb", "paste-tbb",
					 "cut-mi", "copy-mi", "paste-mi", "clipboard-ms"];
		for ( var i = 0; i < items.length; i++ )
		{
			item = application.getComponentById( items[i] );
			item.getParent().remove( item );
		}
	}

	if ( BiBrowserCheck.ie )
	{
		var t = new BiTimer( 500 );
		t.addEventListener( "tick", this.syncClipBoardCommands, this );
		t.start();
	}
}

_p = BiPad.prototype;

_p._autoPreview = true;

_p.getAutoPreview = function ()
{
	return this._autoPreview;
};

_p.setAutoPreview = function ( b )
{
	this._autoPreview = b;
	if ( b )
		this.preview();
};

_p.preview = function () {
	var source = application.getComponentById("source");
	var preview = application.getComponentById("preview");
	var errorLabel = application.getComponentById("errorLabel");

	this.error = false;

	var d = new BiXmlDocument;
	d.loadXML("<root>" + source.getText() + "</root>");

	if (d.parseError.errorCode != 0) {
		this.showError("Reason: " + d.parseError.reason + "\nLine: " + d.parseError.line);
	} else {

		try {
			// we need to remove all so that we are not reusing components from
			// the preview that has an id
			preview.removeAll();

			var de = d.documentElement;
			var cs = de.childNodes;
			var rp = application.getAdf().getXmlResourceParser();
			for (var i = 0; i < cs.length; i++) {
				preview.addXmlNode(cs[i], rp)
			}

			if (!this.error) {
				this.hideError();
			}
		} catch (ex) {
			preview.removeAll();
			this.showError(ex.message);
		} finally {
			d = null;
		}
	}
};

_p.timedPreview = function ( n )
{
	if ( n == undefined )
		n = 100;
	if ( this._previewTimer )
	{
		this._previewTimer.stop();
	}
	else
	{
		this._previewTimer = new BiTimer;
		this._previewTimer.addEventListener( "tick", function ()
		{
			this.preview();
			this._previewTimer.stop();
		}, this );
	}
	this._previewTimer.setInterval( n );
	this._previewTimer.start();
};

_p.showError = function ( s )
{

	var infoBox = application.getComponentById("infoBox");
	var errorLabel = application.getComponentById("errorLabel");
	errorLabel.setText( s );
	infoBox.setVisible( true );
	infoBox.invalidateParentLayout();
	if ( !this._firstHandled )
	{
		this._firstHandled = true;
		BiTimer.callOnce(infoBox.invalidateParentLayout, 1, infoBox);
	}
	this.error = true;
};

_p.hideError = function ()
{
	var infoBox = application.getComponentById("infoBox");
	infoBox.setVisible( false );
	infoBox.invalidateParentLayout();
	this.error = false;
};

_p.insertText = function ( s, collapseToEnd )
{
	var source = application.getComponentById( "source" );
	source.setFocused( true );
	source.setSelectionText( s );
	if ( collapseToEnd )
		source.setSelectionStart( source.getSelectionStart() + s.length );
};

_p.increaseNumber = function (e)
{
	var source = application.getComponentById( "source" );
	var info = this.findNumber();
	if ( info )
	{
		e.preventDefault();
		source.setSelectionStart( info.start );
		source.setSelectionLength( info.end - info.start );
		var n = String(Number(info.num) + 5);
		source.setSelectionText( n );
		//source.setSelectionStart( info.start );
		//source.setSelectionLength( n.length );
	}
};

_p.decreaseNumber = function (e)
{
	var source = application.getComponentById( "source" );
	var info = this.findNumber();
	if ( info )
	{
		e.preventDefault();
		source.setSelectionStart( info.start );
		source.setSelectionLength( info.end - info.start );
		var n = String(info.num - 5);
		source.setSelectionText( n );
		source.setSelectionStart( info.start );
		source.setSelectionLength( n.length );
	}
};

_p.findNumber = function ()
{
	var source = application.getComponentById( "source" );
	var s = source.getText();
	var n = source.getSelectionStart();
	var start = n;
	var end = n;
	while ( /\d|\-/.test( s.charAt(start - 1) ) )
		start--;
	while ( /\d|\-/.test( s.charAt(end) ) )
		end++;
	var num = s.substring( start, end );
	if ( num != "" && !isNaN(num) )
		return { num: num, start: start, end: end };
	return null;

};

BiPad.main = function ()
{
	biPad = new BiPad;
};




/* Snippets */

_p.getSnippetsMenu = function ( s )
{
	var m = new BiMenu;
	var cs = s.getChildren();
	var l = cs.length;
	var mi;
	for ( var i = 0; i < l; i++ )
	{
		mi = new BiMenuItem( cs[i].getName() );
		if ( cs[i] instanceof Snippet )
		{
			mi._snippet = cs[i];
			mi.addEventListener( "action", BiPad.onSnippet );
		}
		else	// Snippets
		{
			mi.setSubMenu( this.getSnippetsMenu( cs[i] ) );
		}
		m.add( mi );
	}
	return m;
};

BiPad.onSnippet = function ( e )
{
	var snippet = e.getTarget()._snippet;
	biPad.insertText( snippet.getText() );

};

/* Clip board */

_p.copy = function ( e )
{
	try
	{
		document.execCommand( "copy" );
	}
	catch ( ex ) {}
};

_p.cut = function ( e )
{
	try
	{
		document.execCommand( "cut" );
	}
	catch ( ex ) {}
};

_p.paste = function ( e )
{
	try
	{
		document.execCommand( "paste" );
		e.preventDefault();
	}
	catch ( ex ) {}
};

_p.syncClipBoardCommands = function ()
{
	var c = application.getComponentById("cut-command");
	c.setEnabled( document.queryCommandEnabled("cut") );
	c = application.getComponentById("copy-command");
	c.setEnabled( document.queryCommandEnabled("copy") );
	c = application.getComponentById("paste-command");
	c.setEnabled( document.queryCommandEnabled("paste") );
};

/* Color picker */

_p.showColorPicker = function ()
{
	var cp = new BiColorPicker;
	cp.addEventListener( "dialogresult", function ( e )
	{
		var res = cp.getDialogResult();
		if ( res != null )
			this.insertText( res );
	}, this );
	cp.setVisible( true );
};

_p.showAbout = function ()
{
	var d = application.getComponentById( "about-dialog" );
	d.setVisible( true );
	d.getContentPane().getFirstChild().invalidateLayout();
};

_p.showHelp = function ()
{
	window.open( new BiUri(application.getAdfPath(), "help.html" ).toString() );
};


_p.onSourceTextChanged = function ( e )
{
	if ( this.getAutoPreview() )
	{
		this.timedPreview( 50 );
	}
};


// syntax errors are not thrown when using execScript
// This cannot be handled in BiScriptLoaderQueue becuase it breaks the debugger
if (BiBrowserCheck.ie) {
	window.onerror = function (msg, url, ln) {
		biPad.showError(msg);
		return true;
	};
}