Auxheader hide problem in grid

answered 2014-08-28 09:01:38 +0800

Darksu
1991 ● 1 ● 4

Hello Ashutosh,

In order to accomplish your task, you have to set unique id's to the columns, and filters. Furthermore you have to set forward events for the menu items.

I have prepared for you a sample code below so you can see the logic:

-- index.zul

<zk>

 <menupopup id="editPopup">

    <menuitem id="subjectMenuItem" label="Subject" forward="onShowColumn(subject)" />
    <menuitem label="Received" forward="onShowColumn(received)" />  
    <menuitem label="Size" forward="onShowColumn(size)"/>
    <menuseparator />
</menupopup>

<grid id="inboxGrid" width="600px"  height="250px" 
    rowRenderer="pkg$.MyRowRenderer"
    emptyMessage="Nothing in Inbox.">

    <auxhead>
        <auxheader>
            <textbox id="subjectFilter" visible="true"></textbox>
        </auxheader>
    </auxhead>


    <columns menupopup="editPopup">
        <column id="subjectColumn" label="Subject" visible="true"/>
        <column width="50px" label="Received"  />
        <column width="80px" label="Size" />
    </columns>
</grid>

<!-- refresh content every 5 seconds -->
<timer id="timer" delay="2000" repeats="true" />

-- TestComposer:

package pkg$;

import org.zkoss.zk.ui.event.*;
import org.zkoss.zul.*;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.util.GenericForwardComposer;
import org.zkoss.zul.Grid;
import org.zkoss.zul.ListModelList;

public class TestComposer extends GenericForwardComposer{

  /**
     * 
     */
    private static final long serialVersionUID = 1L;
    private Grid inboxGrid;

    private Column subjectColumn;

    private Textbox subjectFilter;

    private boolean subjectVisible = true;


  public void doAfterCompose(Component comp) throws Exception {
    super.doAfterCompose(comp);

    inboxGrid.setModel(new ListModelList(getData()));
  }

  public void onTimer$timer(Event e){
    //inboxGrid.setModel(new ListModelList(getUpdatedData()));
  }

  public void onShowColumn(ForwardEvent event) throws Exception { 
    String columnName = (String) event.getData();

    if (columnName.equals("subject")) {
        subjectVisible = !subjectVisible;
        subjectColumn.setVisible(subjectVisible);
        subjectFilter.setVisible(subjectVisible);
    }

    event.getOrigin().stopPropagation();       
  }  


  /* simply return a small model here , you could read data from database for your own implementation.*/
  private List<String[]> getData(){
    ArrayList<String[]> list= new ArrayList<String[]>();

    list.add(new String[]{"Test Mail1","TonyQ", "10k"});
    list.add(new String[]{"Test Mail12","Ryan", "100k"});
    list.add(new String[]{"Test Mail13","Simon", "15k"});
    list.add(new String[]{"Test Mail14","Jimmy", "5k"});    
    return list;
  }

  private List<String[]> getUpdatedData(){
    ArrayList<String[]> list= new ArrayList<String[]>();

    list.add(new String[]{"Test Mail1-updated-"+new Date().toString(),"TonyQ", ((int ) ( Math.random() *100 )) + "k"});
    list.add(new String[]{"Test Mail12-updated"+new Date().toString(),"Ryan", ((int ) ( Math.random() *100 )) + "k"});
    list.add(new String[]{"Test Mail13-updated"+new Date().toString(),"Simon", ((int ) ( Math.random() *100 )) + "k"});
    list.add(new String[]{"Test Mail14-updated"+new Date().toString(),"Jimmy", ((int ) ( Math.random() *100 )) + "k"});    

    list.add(new String[]{"Test Mail15-updated"+new Date().toString(),"Hi", ((int ) ( Math.random() *100 )) + "k"});    

    return list;
 }

public boolean isSubjectVisible() {
    return subjectVisible;
}

public void setSubjectVisible(boolean subjectVisible) {
    this.subjectVisible = subjectVisible;
}

public Textbox getSubjectFilter() {
    return subjectFilter;
}

public void setSubjectFilter(Textbox subjectFilter) {
    this.subjectFilter = subjectFilter;
}

public Column getSubjectColumn() {
    return subjectColumn;
}

public void setSubjectColumn(Column subjectColumn) {
    this.subjectColumn = subjectColumn;
}

}

-- MyRowRenderer

package pkg$;

import org.zkoss.zul.Label;
import org.zkoss.zul.Row;
import org.zkoss.zul.RowRenderer;


public class MyRowRenderer implements RowRenderer {

    @Override
    public void render(Row row, Object data, int index) throws Exception {
         String[] ary = (String[]) data;
            new Label(ary[0]).setParent(row);
            new Label(ary[1]).setParent(row);
            new Label(ary[2]).setParent(row);
    }
}

Best Regards,

Darksu