Attachment 72298 Details for Bug 188333 – Snippet using the new class

Snippet using the new class

Snippet041StyleRangeProviderSimple.java (text/plain), 4.98 KB, created by Michael Chervil

on 2007-06-24 15:37:37 EDT

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Creator: Michael Chervil

Created: 2007-06-24 15:37:37 EDT

Size: 4.98 KB

patch

obsolete

>/*******************************************************************************
> * Copyright (c) 2007 Michael Krkoska and others.
> * All rights reserved. This program and the accompanying materials
> * are made available under the terms of the Eclipse Public License v1.0
> * which accompanies this distribution, and is available at
> * http://www.eclipse.org/legal/epl-v10.html
> *
> * Contributors:
> *     Michael Krkoska - initial API and implementation
> *******************************************************************************/
>package org.eclipse.jface.snippets.viewers;
>
>import java.util.regex.Matcher;
>import java.util.regex.Pattern;
>
>import org.eclipse.jface.resource.JFaceResources;
>import org.eclipse.jface.viewers.ArrayContentProvider;
>import org.eclipse.jface.viewers.ColumnPixelData;
>import org.eclipse.jface.viewers.IFontProvider;
>import org.eclipse.jface.viewers.ILabelProvider;
>import org.eclipse.jface.viewers.LabelProvider;
>import org.eclipse.jface.viewers.StyleRangeLabelProvider;
>import org.eclipse.jface.viewers.TableLayout;
>import org.eclipse.jface.viewers.TableViewer;
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.custom.StyleRange;
>import org.eclipse.swt.graphics.Color;
>import org.eclipse.swt.graphics.Font;
>import org.eclipse.swt.graphics.Image;
>import org.eclipse.swt.layout.GridData;
>import org.eclipse.swt.layout.GridLayout;
>import org.eclipse.swt.widgets.Composite;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Shell;
>import org.eclipse.swt.widgets.TableColumn;
>
>/**
> * A simple TableViewer using a StyleRangeLabelProvider to color a part of the label.
> * 
> * @author Michael Krkoska <michael.krkoska@gmail.com>
> */
>public class Snippet041StyleRangeProviderSimple {
>
>   private static final Display DISPLAY   = Display.getDefault();
>   private static final Color   GREEN     = DISPLAY.getSystemColor(SWT.COLOR_DARK_GREEN);
>   private static final Image   IMAGE_BIG = DISPLAY.getSystemImage(SWT.ICON_WARNING);
>   private static final Image   IMAGE     = new Image(DISPLAY, IMAGE_BIG.getImageData().scaledTo(16, 16));
>   private static final Pattern BRACES    = Pattern.compile("\\(.*\\)");
>
>   public static void main( String[] args ) {
>
>      Shell shell = new Shell(DISPLAY, SWT.CLOSE);
>      shell.setSize(300, 300);
>      shell.setLayout(new GridLayout());
>
>      Snippet041StyleRangeProviderSimple example = new Snippet041StyleRangeProviderSimple();
>      example.createPartControl(shell);
>
>      shell.open();
>
>      while ( !shell.isDisposed() ) {
>         if ( !DISPLAY.readAndDispatch() ) {
>            DISPLAY.sleep();
>         }
>      }
>      DISPLAY.dispose();
>   }
>
>   private TableViewer viewer;
>
>   public void createPartControl( Composite parent ) {
>   	// SWT.FULL_SELECTION is needed on win32 as long as Bug 168807 exists
>      viewer = new TableViewer(parent, SWT.FULL_SELECTION); 
>
>      GridData data = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH);
>      viewer.getControl().setLayoutData(data);
>
>      viewer.setContentProvider(new ArrayContentProvider());
>      createColumns();
>
>      viewer.setLabelProvider(new MyStyleRangeLabelProvider(new MyLabelProvider()));
>//		viewer.setLabelProvider(new MyLabelProvider());
>
>      StyleRangeLabelProvider.setUpOwnerDraw(viewer);
>
>      String[] s = new String[10];
>      for ( int i = 0; i < s.length; i++ ) {
>         s[i] = "row " + i + " (green)";
>      }
>      viewer.setInput(s);
>   }
>
>   private void createColumns() {
>      TableLayout layout = new TableLayout();
>      viewer.getTable().setLayout(layout);
>      viewer.getTable().setHeaderVisible(false);
>      viewer.getTable().setLinesVisible(true);
>
>      int width = 300 - 2 * 5 - viewer.getTable().getShell().computeTrim(0, 0, 0, 0).width;
>
>      new TableColumn(viewer.getTable(), SWT.NONE);
>      layout.addColumnData(new ColumnPixelData(width));
>   }
>
>   private final class MyLabelProvider extends LabelProvider implements IFontProvider {
>
>      public Font getFont( Object element ) {
>         return JFaceResources.getFont("Font");
>      }
>
>      public Image getImage( Object element ) {
>//			if(element.toString().startsWith("row 1"))
>//				return IMAGE_BIG;
>         if ( !element.toString().startsWith("row 0") ) {
>            return IMAGE;
>         }
>         return null;
>      }
>
>   }
>
>   private final class MyStyleRangeLabelProvider extends StyleRangeLabelProvider {
>
>      private MyStyleRangeLabelProvider( ILabelProvider labelProvider ) {
>         super(labelProvider);
>      }
>
>      public StyleRange[] getStyleRanges( Object element, int columnIndex, String label ) {
>         Matcher matcher = BRACES.matcher(label);
>         if ( matcher.find() ) {
>            StyleRange styleRange = new StyleRange(matcher.start(), matcher.end() - matcher.start(), null, null);
>            styleRange.foreground = GREEN;
>            return new StyleRange[] { styleRange };
>         }
>         return null;
>      }
>   }
>
>}

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Attachments on bug 188333: 72297 | 72298 | 72299 | 72300 | 72421 | 72422 | 72423 | 72424 | 72495 | 72496 | 72539 | 72542 | 72592 | 73167 | 73272 | 73353 | 73614 | 73626 | 73633 | 73818 | 80884 | 80912 | 82965 | 83672