xmldata.lzx

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<!-- xmldata.lzx                                                           -->
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<!-- Laszlo Application Language (LZX) Example                             -->
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<canvas width="1000" height="1000" bgcolor="#eaeaea" debug="true">

    <font src="helmetr.ttf" name="helvet"/>

    <include href="lz"/>

    <debug x="200" height="400" width="500" fontsize="14" font="helvet"/>

    <dataset name="ds1" type="file" src="file:swatch.xml" ondata="canvas.show(this)" ontimeout="Debug.write(this.getSrc() + ': timed out')" onerror="Debug.write(this.getSrc() + ': error')"/>
    <dataset name="ds2" type="file" queuerequests="true" src="file:swatch.xml" ondata="canvas.show(this)" ontimeout="Debug.write(this.getSrc() + ': timed out')" onerror="Debug.write(this.getSrc() + ': error')"/>
    <dataset name="ds3" type="http" src="http:echo.jsp" ondata="canvas.show(this)" ontimeout="Debug.write(this.getSrc() + ': timed out')" onerror="Debug.write(this.getSrc() + ': error')"/>
    <dataset name="ds4" type="http" secure="true" ondata="canvas.show(this)" ontimeout="Debug.write(this.getSrc() + ': timed out')" onerror="Debug.write(this.getSrc() + ': error')"/>

    <dataset name="ds5" type="http" src="swatch.xml" ondata="canvas.show(this)" ontimeout="Debug.write(this.getSrc() + ': timed out')" onerror="Debug.write(this.getSrc() + ': error')"/>
    <dataset name="ds6" type="http" queuerequests="true" src="swatch.xml" ondata="canvas.show(this)" ontimeout="Debug.write(this.getSrc() + ': timed out')" onerror="Debug.write(this.getSrc() + ': error')"/>

    <method name="show" args="ds">
    
        Debug.write('---- ' + ds.getSrc() + ' ----');
        var rh = ds.getAllResponseHeaders();
        var names = rh.getNames();
        if (0 < names.length) {
            Debug.write('[response headers]');
        }
        for (var i=0; i < names.length; i++) {
            var n = names[i];
            Debug.write(n + ': ' + rh.getValue(n));
        }
        Debug.write('[server response]');
        Debug.write(ds.serialize() + '\n');
    
    </method>


    <view id="control" x="10" y="10" width="1000" height="1000">
        <attribute name="curDataset" value="1"/>

        <simplelayout axis="x" spacing="10"/>
        <view width="150">
            <simplelayout axis="y" spacing="2"/>
            <view>
                <simplelayout axis="x" spacing="5"/>
                <button text="load" onclick="control.loadData()"/>
                <button bgcolor="red" text="abort" onclick="control.abort()"/>
            </view>
            <radiogroup id="rg">
                <method name="select" args="v">
                    super.select(v);
                    control.curDataset = v.value;
                    if (v.value == 1 || v.value == 2) {
                        query.setAttribute('visible', false);
                        delay.setAttribute('visible', false);
                        secure.setAttribute('visible', false);
                    } else if (v.value == 3) {
                        query.setAttribute('visible', true);
                        delay.setAttribute('visible', true);
                        secure.setAttribute('visible', false);
                    } else if (v.value == 4) {
                        query.setAttribute('visible', true);
                        delay.setAttribute('visible', true);
                        secure.setAttribute('visible', true);
                    }
                </method>
                <radiobutton name="rb1" text="file:swatch.xml" value="1"/>
                <radiobutton name="rb2" text="file:swatch.xml (queuing on)" value="2"/>
                <radiobutton name="rb3" text="http:echo.jsp" value="3"/>
                <radiobutton name="rb4" text="https:echo.jsp" value="4"/>
                <radiobutton name="rb5" text="http:swatch.xml" value="5"/>
                <radiobutton name="rb6" text="https:swatch.xml" value="6"/>
            </radiogroup>
            <checkbox text="multiple requests" id="mult"/>
            
            <checkbox text="cache in client" id="ccache"/>
            <checkbox text="cache in server" id="scache">
                <handler name="onvalue">
                    if (this.value) {
                        if (typeof(resphead) != "undefined") {
                            resphead.setAttribute('value', false);
                        }
                    }
                </handler>
            </checkbox>
            <checkbox text="resp headers" id="resphead">
                <handler name="onvalue">
                    if (this.value) {
                        if (typeof(scache) != "undefined") {
                            scache.setAttribute('value', false);
                        }
                    }
                </handler>
            </checkbox>
            <checkbox text="accept encodings" id="accenc"/>
            <checkbox text="POST" id="post"/>
            <checkbox text="set query string" id="query"/>
            <view id="delay">
                <simplelayout axis="x" spacing="2"/>
                <text>delay (msecs): </text>
                <edittext name="sleep" width="50">0</edittext>
            </view>
            <view id="secure">
                <simplelayout axis="y" spacing="2"/>
                <view name="p">
                    <simplelayout axis="x" spacing="2"/>
                    <text>secure port: </text>
                    <edittext name="port" width="50">8443</edittext>
                </view>
                <text name="explain" multiline="true" width="190">
                    Make sure your servlet container is SSL enabled or secure
                    requests will timeout.
                </text>
            </view>
        </view>


        <method name="abort">
            var ds = canvas['ds' + this.curDataset];
            ds.abort();
            Debug.write(ds.getSrc() + ': aborted request');
        </method>

        <method name="loadData">
        
            var ds = canvas['ds' + this.curDataset];

            ds.cacheable          = scache.value;
            ds.clientcacheable    = ccache.value;
            ds.getresponseheaders = resphead.value; // not server cacheable
            ds.acceptencodings    = accenc.value; // for gzip

            ds.setQueryType((post.value ? 'POST' : 'GET'));

            // http params
            if (ds == canvas.ds3 || ds == canvas.ds4) {
                if (query.value) {
                    ds.setQueryParams( { name1: 'value1', name2: 'value2', name3: 'value3' } );
                } else {
                    ds.setQueryParams( null );
                }

                var sleep = delay.sleep.text;
                if (0 < sleep) {
                    ds.setQueryParam('sleep', sleep);                
                } 
            }

            if (ds == canvas.ds4) {
                ds.secure = true;
                ds.secureport = secure.p.port.text;

                var url = new LzURL(lz.Browser.getLoadURL());
                url.file = 'echo.jsp';
                url.query = null;
                url.protocol = 'https';
                url.port = secure.p.port.text;

                ds.setAttribute('src', url.toString());
            }

            var requests = 1;
            if (mult.value) requests = 4;
                
            for (var i = 0; i < requests; i++) {
                Debug.write("loading set " + ds.getSrc());
                ds.doRequest();
            }
        
        </method>

    </view>

</canvas>
<!-- * X_LZ_COPYRIGHT_BEGIN ***************************************************
* Copyright 2001-2011 Laszlo Systems, Inc.  All Rights Reserved.              *
* Use is subject to license terms.                                            *
* X_LZ_COPYRIGHT_END ****************************************************** -->
<!-- @LZX_VERSION@                                                         -->