Thanks Igor. It is working!
Fero
igor.vaynberg wrote:
>
> extend NonCachingImage instead
>
> -igor
>
>
> On 9/7/07, fero <[EMAIL PROTECTED]> wrote:
>>
>>
>> Hi,
>> I have a Panel with some images (charts generated with jfreechart) and a
>> datatable. This Panel is in AjaxTabbedPanel and every time it is accessed
>> data table is evaluated and charts renewed. But only table is updated and
>> charts stay the same (they are loaded from cache), they are reloaded only
>> by
>> pressing CTRL-F5. How to make them update automatically?
>>
>> Code:
>> ***********************Panel with charts and table***********************
>>
>> public CelkoveEmisiePanel(String id, Collection celkoveEmisie) {
>> super(id);
>> add(emisieTable(celkoveEmisie));
>>
>> JFreeChartImage poplatkyChart = new
>> JFreeChartImage("chart1",
>> pieChart(createDatasetPoplatky(celkoveEmisie),"Poplatky"), 300, 300);
>> poplatkyChart.setOutputMarkupId(true);
>> add(poplatkyChart);
>>
>> JFreeChartImage mnozstvoChart = new
>> JFreeChartImage("chart2",
>> pieChart(createDatasetMnozstvo(celkoveEmisie),"Vypúšťané množstvo"), 300,
>> 300);
>> mnozstvoChart.setOutputMarkupId(true);
>> add(mnozstvoChart);
>> }
>>
>>
>> *******JFreeChartImage from
>> http://cwiki.apache.org/WICKET/jfreechart-and-wicket-example.html*****
>>
>> public class JFreeChartImage extends Image {
>>
>> private int width;
>> private int height;
>>
>> public JFreeChartImage(String id, JFreeChart chart, int width,
>> int
>> height){
>> super(id, new Model(chart));
>> this.width = width;
>> this.height = height;
>> }
>>
>> protected Resource getImageResource() {
>> return new DynamicImageResource(){
>>
>> protected byte[] getImageData() {
>> JFreeChart chart = (JFreeChart)getModelObject();
>> return
>> toImageData(chart.createBufferedImage(width,
>> height));
>> }
>>
>> protected void setHeaders(WebResponse response) {
>> if (isCacheable()) {
>> super.setHeaders(response);
>> } else {
>> response.setHeader("Pragma", "no-cache");
>> response.setHeader("Cache-Control",
>> "no-cache");
>> response.setDateHeader("Expires", 0);
>> }
>> }
>> };
>> }
>>
>> }
>> --
>> View this message in context:
>> http://www.nabble.com/Disable-loading-image-from-browser-cache-tf4402977.html#a12560615
>> Sent from the Wicket - User mailing list archive at Nabble.com.
>>
>>
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>>
>
>
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