| /******************************************************************************* |
| * Copyright (c) 2007, 2009 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.views.markers; |
| |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.resource.JFaceResources; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.FontMetrics; |
| import org.eclipse.swt.graphics.GC; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| |
| /** |
| * FilterConfigurationArea is the area that the user can configure a filter in. |
| * |
| * @since 3.4 |
| * |
| */ |
| public abstract class FilterConfigurationArea { |
| |
| MarkerField field; |
| |
| private FontMetrics fontMetrics; |
| |
| /** |
| * Apply the current settings to the filter. |
| * |
| * @param filter |
| */ |
| public abstract void apply(MarkerFieldFilter filter); |
| |
| /** |
| * Create the contents of the configuration area in the parent. |
| * |
| * @param parent |
| */ |
| public abstract void createContents(Composite parent); |
| |
| |
| /** |
| * Return the {@link FontMetrics} for the receiver. |
| * @return {@link FontMetrics} or <code>null</code> if {@link #initializeFontMetrics(Control)} |
| * has not been called. |
| */ |
| protected FontMetrics getFontMetrics(){ |
| return fontMetrics; |
| } |
| |
| /** |
| * Get the title for the receiver. |
| * |
| * @return String |
| */ |
| public String getTitle() { |
| return field.getName(); |
| } |
| |
| /** |
| * Initialise {@link FontMetrics} for the receiver. |
| * |
| * @param control |
| */ |
| protected void initializeFontMetrics(Control control) { |
| GC gc = new GC(control); |
| gc.setFont(JFaceResources.getDialogFont()); |
| fontMetrics = gc.getFontMetrics(); |
| gc.dispose(); |
| |
| } |
| |
| /** |
| * Initialise the receiver using the filter. |
| * |
| * @param filter |
| */ |
| public abstract void initialize(MarkerFieldFilter filter); |
| |
| /** |
| * Set the markerField for the receiver. This method intended to |
| * be called by the marker support framework directly after |
| * instantiation of the receiver. |
| * |
| * @param markerField |
| */ |
| public final void setField(MarkerField markerField) { |
| field = markerField; |
| } |
| |
| /** |
| * Set the standard button data for the button. |
| * @param button |
| */ |
| protected void setButtonLayoutData(Button button) { |
| GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL); |
| int widthHint = Dialog.convertHorizontalDLUsToPixels(getFontMetrics(),IDialogConstants.BUTTON_WIDTH); |
| Point minSize = button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true); |
| data.widthHint = Math.max(widthHint, minSize.x); |
| button.setLayoutData(data); |
| |
| } |
| |
| /** |
| * Return the field for the receiver. |
| * @return MarkerField |
| */ |
| public MarkerField getField() { |
| return field; |
| } |
| |
| /** |
| * Returns whether the configuration area should grab remaining vertical space. |
| * |
| * The default implementation returns <code>false</code>. Subclasses can override. |
| * |
| * @return <code>true</code> iff the configuration area should grab remaining vertical space |
| * @since 3.5 |
| */ |
| public boolean grabExcessVerticalSpace() { |
| return false; |
| } |
| |
| } |