org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/filter/FilterDialog.java

   1 /*******************************************************************************
   2  * Copyright (c) 2010 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Patrick Tasse - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.views.filter;
  14
  15 import org.eclipse.jface.dialogs.Dialog;
  16 import org.eclipse.linuxtools.internal.tmf.ui.Messages;
  17 import org.eclipse.linuxtools.tmf.core.filter.model.ITmfFilterTreeNode;
  18 import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterNode;
  19 import org.eclipse.swt.SWT;
  20 import org.eclipse.swt.widgets.Composite;
  21 import org.eclipse.swt.widgets.Control;
  22 import org.eclipse.swt.widgets.Shell;
  23
  24 /**
  25  * The dialog for user-defined filters.
  26  *
  27  * @version 1.0
  28  * @author Patrick Tasse
  29  */
  30 public class FilterDialog extends Dialog {
  31
  32         TmfFilterNode fRoot;
  33         FilterViewer fViewer;
  34
  35     /**
  36      * Constructor.
  37      *
  38      * @param shell
  39      *            The shell to which this dialog is attached
  40      */
  41         public FilterDialog(Shell shell) {
  42                 super(shell);
  43                 setShellStyle(getShellStyle() | SWT.RESIZE | SWT.MAX);
  44         }
  45
  46         /* (non-Javadoc)
  47          * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
  48          */
  49         @Override
  50         protected Control createDialogArea(Composite parent) {
  51         getShell().setText(Messages.FilterDialog_FilterDialogTitle);
  52                 getShell().setMinimumSize(getShell().computeSize(500, 200));
  53         Composite composite = (Composite) super.createDialogArea(parent);
  54
  55         fViewer = new FilterViewer(composite, SWT.BORDER);
  56         fViewer.setInput(fRoot);
  57         return composite;
  58         }
  59
  60         /**
  61          * @param filter the filter to set
  62          */
  63         public void setFilter(ITmfFilterTreeNode filter) {
  64                 fRoot = new TmfFilterNode(null);
  65                 if (filter != null) {
  66                         fRoot.addChild(filter.clone());
  67                 }
  68                 if (fViewer != null) {
  69                         fViewer.setInput(fRoot);
  70                 }
  71         }
  72
  73         /**
  74          * @return the filter
  75          */
  76         public ITmfFilterTreeNode getFilter() {
  77                 if (fRoot != null && fRoot.hasChildren()) {
  78                         return fRoot.getChild(0).clone();
  79                 }
  80                 return null;
  81         }
  82
  83 }