taxeditor-editor/src/main/java/eu/etaxonomy/taxeditor/forms/AbstractSelectionComposite.java

   1 /**
   2  *
   3  */
   4 package eu.etaxonomy.taxeditor.forms;
   5
   6 import org.eclipse.swt.SWT;
   7 import org.eclipse.swt.events.SelectionEvent;
   8 import org.eclipse.swt.events.SelectionListener;
   9 import org.eclipse.swt.layout.GridData;
  10 import org.eclipse.swt.layout.GridLayout;
  11 import org.eclipse.swt.widgets.Button;
  12 import org.eclipse.swt.widgets.Composite;
  13 import org.eclipse.swt.widgets.Label;
  14 import org.eclipse.swt.widgets.Text;
  15
  16 import eu.etaxonomy.cdm.model.common.IdentifiableEntity;
  17
  18 /**
  19  * @author nho
  20  *
  21  */
  22 public abstract class AbstractSelectionComposite<T extends IdentifiableEntity> extends AbstractFormComposite implements SelectionListener{
  23
  24         protected T selection;
  25
  26         protected Label label;
  27         protected Text text;
  28         protected Button button;
  29
  30         /**
  31          * @param parent
  32          * @param style
  33          */
  34         public AbstractSelectionComposite(Composite parent, String labelString, T selection, int style) {
  35                 super(parent, style);
  36
  37                 this.selection = selection;
  38
  39                 this.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));
  40                 GridLayout layout = (GridLayout) this.getLayout();
  41                 layout.numColumns = 2;
  42
  43                 label = toolkit.createLabel(this, labelString, SWT.WRAP);
  44                 GridData labelData = new GridData();
  45                 labelData.horizontalSpan = 2;
  46                 label.setLayoutData(labelData);
  47
  48                 text = toolkit.createText(this, "", SWT.BORDER | SWT.WRAP);
  49                 text.setEditable(false);
  50                 text.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
  51
  52                 button = toolkit.createButton(this, "Browse", SWT.PUSH);
  53                 button.addSelectionListener(this);
  54
  55                 updateText();
  56         }
  57
  58         /* (non-Javadoc)
  59          * @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent)
  60          */
  61         public void widgetDefaultSelected(SelectionEvent e) {
  62                 // do nothing
  63         }
  64
  65         /* (non-Javadoc)
  66          * @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
  67          */
  68         public void widgetSelected(SelectionEvent e) {
  69                 firePropertyChangeEvent(null);
  70         }
  71
  72         /**
  73          * Return the selected object
  74          *
  75          * @return
  76          */
  77         public T getSelection(){
  78                 return selection;
  79         }
  80
  81         /**
  82          *
  83          * @param selection
  84          */
  85         public void setSelection(T selection){
  86                 this.selection = selection;
  87                 updateText();
  88         }
  89
  90         protected void updateText(){
  91                 if(selection != null)
  92                         text.setText(selection.getTitleCache());
  93         }
  94 }