| /******************************************************************************* |
| * Copyright (c) 2008-2010 Sonatype, Inc. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Sonatype, Inc. - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.m2e.core.ui.internal.search.util; |
| |
| import org.eclipse.jface.fieldassist.ContentProposalAdapter; |
| import org.eclipse.jface.fieldassist.IControlContentAdapter; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.CCombo; |
| import org.eclipse.swt.graphics.GC; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.graphics.Rectangle; |
| import org.eclipse.swt.widgets.Control; |
| |
| |
| /** |
| * An {@link IControlContentAdapter} for SWT CCombo controls. This is a convenience class for easily creating a |
| * {@link ContentProposalAdapter} for combo fields. |
| */ |
| public class CComboContentAdapter implements IControlContentAdapter /*, IControlContentAdapter2 */{ |
| |
| /* |
| * Set to <code>true</code> if we should compute the text |
| * vertical bounds rather than just use the field size. |
| * Workaround for https://bugs.eclipse.org/bugs/show_bug.cgi?id=164748 |
| * The corresponding SWT bug is |
| * https://bugs.eclipse.org/bugs/show_bug.cgi?id=44072 |
| */ |
| private static final boolean COMPUTE_TEXT_USING_CLIENTAREA = !"carbon".equals(SWT.getPlatform()); //$NON-NLS-1$ |
| |
| public String getControlContents(Control control) { |
| return ((CCombo) control).getText(); |
| } |
| |
| public void setControlContents(Control control, String text, int cursorPosition) { |
| ((CCombo) control).setText(text); |
| ((CCombo) control).setSelection(new Point(cursorPosition, cursorPosition)); |
| } |
| |
| public void insertControlContents(Control control, String text, int cursorPosition) { |
| CCombo combo = (CCombo) control; |
| String contents = combo.getText(); |
| Point selection = combo.getSelection(); |
| StringBuilder sb = new StringBuilder(); |
| sb.append(contents.substring(0, selection.x)); |
| sb.append(text); |
| if(selection.y < contents.length()) { |
| sb.append(contents.substring(selection.y, contents.length())); |
| } |
| combo.setText(sb.toString()); |
| selection.x = selection.x + cursorPosition; |
| selection.y = selection.x; |
| combo.setSelection(selection); |
| } |
| |
| public int getCursorPosition(Control control) { |
| return ((CCombo) control).getSelection().x; |
| } |
| |
| public Rectangle getInsertionBounds(Control control) { |
| // This doesn't take horizontal scrolling into affect. |
| // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=204599 |
| CCombo combo = (CCombo) control; |
| int position = combo.getSelection().y; |
| String contents = combo.getText(); |
| GC gc = new GC(combo); |
| gc.setFont(combo.getFont()); |
| Point extent = gc.textExtent(contents.substring(0, Math.min(position, contents.length()))); |
| gc.dispose(); |
| if(COMPUTE_TEXT_USING_CLIENTAREA) { |
| return new Rectangle(combo.getClientArea().x + extent.x, combo.getClientArea().y, 1, combo.getClientArea().height); |
| } |
| return new Rectangle(extent.x, 0, 1, combo.getSize().y); |
| } |
| |
| public void setCursorPosition(Control control, int index) { |
| ((CCombo) control).setSelection(new Point(index, index)); |
| } |
| |
| public Point getSelection(Control control) { |
| return ((CCombo) control).getSelection(); |
| } |
| |
| public void setSelection(Control control, Point range) { |
| ((CCombo) control).setSelection(range); |
| } |
| |
| } |