baserichedittext.lzx

<library>
    <!-- temp removed to integrate platform and emerald-->
    <!--include href="../emerald-contrib/baseedittext.lzx"/-->
    <include href="extensions/views/richinputtext.lzx"/>
    <!-- _richinternalinputtext
         class for use in windowtext takes its parent's arguments
         when it constructs 
        @keywords private -->
    <class name="_richinternalinputtext" extends="richinputtext">
        <!--- True means that setValue called internal inputtext and inputtext
              should not call setValue back. -->
        <attribute name="ignorecallup" value="false"/>

        <!--- Values like password and textwidth, which can't be changed at
              runtime, must be passed in early to inputtext .
              @keywords private -->
        <method name="construct" args="parent, args">
            // args from parent
            if ( parent['password'] != null )  args.password = parent.password;
            parent._field = this;
            super.construct(  parent, args );
        </method>
        
        <handler name="oninit">
            this.setHTML(true);
        </handler>        

        <!--- Sent if whenever the focus moves into _internalinputtext. 
            @param Object s: view that is losing focus -->
        <handler name="onfocus" args="s">
            if (parent['onfocus']) parent.onfocus.sendEvent(s);
        </handler>
        <!--- Sent if whenever the focus moves out of _internalinputtext. 
            @param Object s: view that is gaining focus -->
        <handler name="onblur" args="s">
            if (parent['onblur']) parent.onblur.sendEvent(s);
        </handler>
        <!--- Sent whenever a user enters a valid new character. -->
        <handler name="ontext">
            if (! this.ignorecallup) {
                parent.setValue(this.getText(),false,true);
            }
            this.ignorecallup = false;
        </handler>
        <!--- Get focus bracket for _internalinputtext to be the dimensions of
              baseedittext.
              @keywords private -->
        <method name="getFocusRect">
           var fx = parent.getAttributeRelative('x',canvas);
           var fy = parent.getAttributeRelative('y',canvas);
           var fw = parent.getAttributeRelative('width',canvas);
           var fh = parent.getAttributeRelative('height',canvas);
           return [fx,fy,fw,fh];
        </method>
        <!-- Used so that we can put a getPrevSelection method on an instance of
             this class.
        @return view: the view to which the selection should move - one earlier in the order -->
        <method name="getPrevSelection">
            if ( parent['getPrevSelection'] )  return parent.getPrevSelection()
            return null; // default tab order occurs
        </method>
        <!-- Used so that we can put a getNextSelection method on an instance of
             this class.
            @return view: the view to which the selection should move - one later in the order-->
        <method name="getNextSelection">
            if ( parent['getNextSelection'] )  return parent.getNextSelection()
            return null; // default tab order occurs
        </method>
    </class>


    <!--- This component provides the look and feel for rich editable text, data
          binding, and focus events. -->
    <class name="baserichedittext" extends="baseedittext">

        <!--- Append text to either the plaintext or the htmltext, while
              preserving the plaintext-ness of this editor.
              @param String str: string to append
              @param Boolean isHTML: true if the text to append is HTML, else
              false for plain text. 
              @param Boolean isinitvalue: true if the appended text should be
              considered the initial value. -->
        <method name="appendText" args="str,isHTML,isinitvalue">
            this._field.appendText(str, isHTML); 

            // Set value of richedittext and send event.
            this.setValue(this._field.getText(),isinitvalue);
        </method>

        <!--- Wrapper to setValue. 
             @param Boolean isinitvalue: true if the appended text should be\
            @param String t: text string
             considered the initial value. -->
        <method name="setHTMLText" args="t,isinitvalue">
            this._field.setHTMLText(t);

            // Set value of richedittext and send event.
            this.setValue(this._field.getText(),isinitvalue);
        </method>

        <!--- Returns the contents as html text. 
              @return String: text containing html formatting information. -->
        <method name="getHTMLText">
            if (this._initcomplete) {
                return this._field.getHTMLText();
            } else {
                return this._initialtext;
            }
        </method>
        
        <!---
            Applies the format to the text between start and end. 
            @param textformat format: format to apply region. 
            @param Number start: start index of text to format.
            @param Number end: end index of text to format.
        -->
        <method name="setTextFormat" args="format, start, end">
            this._field.setTextFormat(format, start, end); 
        </method>

        <!---
            Gets the format of the text in the specified region.
            @param Number start: start index to get text format.
            @param Number end: end index to get text format.
            @return textformat format: the text format of the range of characters 
        -->
        <method name="getTextFormat" args="start, end">
            return this._field.getTextFormat(start, end); 
        </method>
        
        <!--- Replace region with a particular string. If start and end are the
              same, insert into that position.
              @param Number start: start index to replace text.
              @param Number end: end index to replace text.
              @param String str: string to replace region with. -->
        <method name="replaceText" args="start, end, str">
            this._field.replaceText(start, end, str);                 
        </method>

    </class>
</library>
<!-- * X_LZ_COPYRIGHT_BEGIN ***************************************************
* Copyright 2007, 2009 Laszlo Systems, Inc. All Rights Reserved.                    *
* Use is subject to license terms.                                            *
* X_LZ_COPYRIGHT_END ****************************************************** -->
<!-- @LZX_VERSION@                                                         -->