| /******************************************************************************* |
| * Copyright (c) 2007 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.ui.internal.views.markers; |
| |
| import org.eclipse.core.resources.IMarker; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.jface.viewers.CellEditor; |
| import org.eclipse.jface.viewers.ColumnViewer; |
| import org.eclipse.jface.viewers.ComboBoxCellEditor; |
| import org.eclipse.jface.viewers.EditingSupport; |
| import org.eclipse.jface.viewers.ViewerCell; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.ui.views.markers.MarkerField; |
| import org.eclipse.ui.views.markers.MarkerItem; |
| import org.eclipse.ui.views.markers.MarkerSupportConstants; |
| import org.eclipse.ui.views.markers.internal.MarkerMessages; |
| |
| /** |
| * MarkerPriorityField is the field for task priority. |
| * |
| * @since 3.4 |
| * |
| */ |
| public class MarkerPriorityField extends MarkerField { |
| |
| private class PriorityEditingSupport extends EditingSupport { |
| |
| private ComboBoxCellEditor editor; |
| |
| /** |
| * Create a new instance of the receiver. |
| * |
| * @param viewer |
| */ |
| public PriorityEditingSupport(ColumnViewer viewer) { |
| super(viewer); |
| this.editor = new ComboBoxCellEditor((Composite) viewer |
| .getControl(), priorities, SWT.READ_ONLY); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.EditingSupport#canEdit(java.lang.Object) |
| */ |
| protected boolean canEdit(Object element) { |
| if (element instanceof MarkerEntry) |
| return ((MarkerEntry) element).getAttributeValue( |
| IMarker.USER_EDITABLE, false); |
| return false; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.EditingSupport#getCellEditor(java.lang.Object) |
| */ |
| protected CellEditor getCellEditor(Object element) { |
| return editor; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.EditingSupport#getValue(java.lang.Object) |
| */ |
| protected Object getValue(Object element) { |
| return new Integer(((MarkerEntry) element).getAttributeValue( |
| IMarker.PRIORITY, IMarker.PRIORITY_NORMAL)); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.EditingSupport#setValue(java.lang.Object, |
| * java.lang.Object) |
| */ |
| protected void setValue(Object element, Object value) { |
| MarkerEntry entry = (MarkerEntry) element; |
| Integer integerValue = (Integer) value; |
| try { |
| entry.getMarker().setAttribute(IMarker.PRIORITY, |
| integerValue.intValue()); |
| } catch (CoreException e) { |
| MarkerSupportInternalUtilities.handle(e); |
| } |
| |
| } |
| } |
| |
| static final String HIGH_PRIORITY_IMAGE_PATH = "$nl$/icons/full/obj16/hprio_tsk.gif"; //$NON-NLS-1$ |
| |
| static final String LOW_PRIORITY_IMAGE_PATH = "$nl$/icons/full/obj16/lprio_tsk.gif"; //$NON-NLS-1$ |
| |
| private static String[] priorities = new String[] { |
| MarkerMessages.priority_low, MarkerMessages.priority_normal, |
| MarkerMessages.priority_high }; |
| |
| /** |
| * Return a new priority field. |
| */ |
| public MarkerPriorityField() { |
| super(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.provisional.views.markers.api.MarkerField#compare(org.eclipse.ui.internal.provisional.views.markers.api.MarkerItem, |
| * org.eclipse.ui.internal.provisional.views.markers.api.MarkerItem) |
| */ |
| public int compare(MarkerItem item1, MarkerItem item2) { |
| return item2.getAttributeValue(IMarker.PRIORITY, |
| IMarker.PRIORITY_NORMAL) |
| - item1.getAttributeValue(IMarker.PRIORITY, |
| IMarker.PRIORITY_NORMAL); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.provisional.views.markers.MarkerField#getColumnHeaderText() |
| */ |
| public String getColumnHeaderText() { |
| return MarkerSupportConstants.EMPTY_STRING; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.provisional.views.markers.api.MarkerField#getColumnTooltipText() |
| */ |
| public String getColumnTooltipText() { |
| return MarkerMessages.priority_description; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.provisional.views.markers.api.MarkerField#getDefaultColumnWidth(org.eclipse.swt.widgets.Control) |
| */ |
| public int getDefaultColumnWidth(Control control) { |
| return getHighPriorityImage().getBounds().width; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.provisional.views.markers.api.MarkerField#getEditingSupport(org.eclipse.jface.viewers.ColumnViewer) |
| */ |
| public EditingSupport getEditingSupport(ColumnViewer viewer) { |
| return new PriorityEditingSupport(viewer); |
| } |
| |
| /** |
| * Get the image for high priority |
| * |
| * @return Image |
| */ |
| private Image getHighPriorityImage() { |
| return MarkerSupportInternalUtilities |
| .createImage(HIGH_PRIORITY_IMAGE_PATH); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.provisional.views.markers.MarkerField#getValue(org.eclipse.ui.internal.provisional.views.markers.MarkerItem) |
| */ |
| public String getValue(MarkerItem item) { |
| return MarkerSupportConstants.EMPTY_STRING; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.views.markers.MarkerField#update(org.eclipse.jface.viewers.ViewerCell) |
| */ |
| public void update(ViewerCell cell) { |
| super.update(cell); |
| try { |
| switch (((MarkerItem) cell.getElement()).getAttributeValue( |
| IMarker.PRIORITY, IMarker.PRIORITY_NORMAL)) { |
| case IMarker.PRIORITY_HIGH: |
| cell.setImage(getHighPriorityImage()); |
| break; |
| case IMarker.PRIORITY_LOW: |
| cell.setImage(MarkerSupportInternalUtilities |
| .createImage(LOW_PRIORITY_IMAGE_PATH)); |
| break; |
| default: |
| break; |
| } |
| |
| } catch (NumberFormatException e) { |
| return; |
| } |
| } |
| } |