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

   1 /**
   2  *
   3  */
   4 package eu.etaxonomy.taxeditor.forms.selectioncomposites;
   5
   6 import org.eclipse.jface.util.IPropertyChangeListener;
   7 import org.eclipse.swt.SWT;
   8 import org.eclipse.swt.events.SelectionEvent;
   9 import org.eclipse.swt.events.SelectionListener;
  10 import org.eclipse.swt.layout.GridData;
  11 import org.eclipse.swt.layout.GridLayout;
  12 import org.eclipse.swt.widgets.Button;
  13 import org.eclipse.swt.widgets.Composite;
  14 import org.eclipse.swt.widgets.Label;
  15 import org.eclipse.swt.widgets.Text;
  16
  17 import eu.etaxonomy.cdm.model.common.IdentifiableEntity;
  18 import eu.etaxonomy.taxeditor.forms.AbstractFormComposite;
  19
  20 /**
  21  *
  22  * @author n.hoffmann
  23  * @created Nov 17, 2009
  24  * @version 1.0
  25  * @param <T>
  26  */
  27 public abstract class AbstractSelectionComposite<T extends IdentifiableEntity> extends AbstractFormComposite implements SelectionListener{
  28
  29         protected T selection;
  30
  31         protected Label label;
  32         protected Text text;
  33         protected Button button;
  34
  35         /**
  36          * @param parent
  37          * @param style
  38          */
  39         public AbstractSelectionComposite(Composite parent, String labelString, T selection, IPropertyChangeListener listener, int style) {
  40                 super(parent, listener, style);
  41
  42                 this.selection = selection;
  43
  44                 this.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));
  45                 GridLayout layout = (GridLayout) this.getLayout();
  46                 layout.numColumns = 2;
  47
  48                 if(labelString != null){
  49                         label = toolkit.createLabel(this, labelString, SWT.WRAP);
  50                         GridData labelData = new GridData();
  51                         labelData.horizontalSpan = 2;
  52                         label.setLayoutData(labelData);
  53                 }
  54
  55                 text = toolkit.createText(this, "", SWT.BORDER | SWT.WRAP);
  56                 text.setEditable(false);
  57                 text.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
  58
  59                 button = toolkit.createButton(this, "Browse", SWT.PUSH);
  60                 button.addSelectionListener(this);
  61
  62                 updateText();
  63         }
  64
  65         /* (non-Javadoc)
  66          * @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent)
  67          */
  68         public void widgetDefaultSelected(SelectionEvent e) {
  69                 // do nothing
  70         }
  71
  72         /* (non-Javadoc)
  73          * @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
  74          */
  75         public void widgetSelected(SelectionEvent e) {
  76                 firePropertyChangeEvent(null);
  77         }
  78
  79         /**
  80          * Return the selected object
  81          *
  82          * @return
  83          */
  84         public T getSelection(){
  85                 return selection;
  86         }
  87
  88         /**
  89          *
  90          * @param selection
  91          */
  92         public void setSelection(T selection){
  93                 this.selection = selection;
  94                 updateText();
  95         }
  96
  97         protected void updateText(){
  98                 if(selection != null)
  99                         text.setText(selection.getTitleCache());
 100         }
 101 }