Java tutorial
/** * This file Copyright (c) 2005-2008 Aptana, Inc. This program is * dual-licensed under both the Aptana Public License and the GNU General * Public license. You may elect to use one or the other of these licenses. * * This program is distributed in the hope that it will be useful, but * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or * NONINFRINGEMENT. Redistribution, except as permitted by whichever of * the GPL or APL you select, is prohibited. * * 1. For the GPL license (GPL), you can redistribute and/or modify this * program under the terms of the GNU General Public License, * Version 3, as published by the Free Software Foundation. You should * have received a copy of the GNU General Public License, Version 3 along * with this program; if not, write to the Free Software Foundation, Inc., 51 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Aptana provides a special exception to allow redistribution of this file * with certain other free and open source software ("FOSS") code and certain additional terms * pursuant to Section 7 of the GPL. You may view the exception and these * terms on the web at http://www.aptana.com/legal/gpl/. * * 2. For the Aptana Public License (APL), this program and the * accompanying materials are made available under the terms of the APL * v1.0 which accompanies this distribution, and is available at * http://www.aptana.com/legal/apl/. * * You may view the GPL, Aptana's exception and additional terms, and the * APL in the file titled license.html at the root of the corresponding * plugin containing this source file. * * Any modifications to this file must keep this entire header intact. */ package com.aptana.ide.snippets; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.util.Geometry; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Font; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Monitor; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import com.aptana.ide.core.ui.SWTUtils; /** * @author Kevin Lindsey */ public class SnippetDialog extends Dialog { /** * A public flag indicating if the user pressed the OK button or canceled the dialog */ public boolean OK; private Text[] textFields; private SnippetVariable[] _variables; private Snippet snippet; /** * @param parentShell * @param snippet * to fill variables */ protected SnippetDialog(Shell parentShell, Snippet snippet) { super(parentShell); // Make the dialog resizable setShellStyle(getShellStyle() | SWT.RESIZE); this.snippet = snippet; } private void createContents(final Shell shell) { // create group Group group = new Group(shell, SWT.SHADOW_IN); group.setText(Messages.SnippetDialog_Variable_Group_Header); // set group layout GridLayout groupLayout = new GridLayout(); groupLayout.numColumns = 2; group.setLayout(groupLayout); // set group's layout data GridData groupLayoutData = new GridData(GridData.FILL_HORIZONTAL); groupLayoutData.grabExcessHorizontalSpace = true; group.setLayoutData(groupLayoutData); textFields = new Text[this._variables.length]; for (int i = 0; i < this._variables.length; i++) { SnippetVariable variable = this._variables[i]; String name = variable.getName(); String tooltip = variable.getDescription(); // create label Label description = new Label(group, SWT.LEFT); description.setText(tooltip); description.setFont(new Font(Display.getDefault(), SWTUtils.resizeFont(description.getFont(), -3))); GridData textLayoutData = new GridData(GridData.FILL_HORIZONTAL); textLayoutData.minimumWidth = 120; textLayoutData.horizontalSpan = 2; description.setLayoutData(textLayoutData); // create label Label label = new Label(group, SWT.RIGHT); label.setText(name); // set label layout data // does not enough some times; // GridData labelLayoutData = new GridData(64, 16); // label.setLayoutData(labelLayoutData); // create text field Text text = new Text(group, SWT.SINGLE | SWT.BORDER); text.setText(""); //$NON-NLS-1$ text.setToolTipText(tooltip); // set text layout data textLayoutData = new GridData(GridData.FILL_HORIZONTAL); textLayoutData.minimumWidth = 120; text.setLayoutData(textLayoutData); textFields[i] = text; } } /** * */ public void okPressed() { for (int i = 0; i < _variables.length; i++) { _variables[i].setValue(textFields[i].getText()); } OK = true; super.okPressed(); } /** * @see org.eclipse.jface.dialogs.Dialog#createContents(org.eclipse.swt.widgets.Composite) */ @Override protected Control createContents(Composite parent) { // save reference to snippet variables this._variables = snippet.getVariables(); // create window Shell shell = getShell(); int width = 230; int height = 240; shell.setText(snippet.getName()); Point centerPoint = null; Rectangle bounds = parent.getBounds(); Monitor monitor = parent.getMonitor(); Rectangle monitorBounds = monitor.getClientArea(); centerPoint = Geometry.centerPoint(bounds); centerPoint = new Point(centerPoint.x - (width / 2), Math.max(monitorBounds.y, Math.min(centerPoint.y - (height * 2 / 3), monitorBounds.y + monitorBounds.height - height))); shell.setBounds(centerPoint.x, centerPoint.y, width, height); shell.setMinimumSize(width, height); // create window's layout GridLayout windowLayout = new GridLayout(); windowLayout.numColumns = 1; windowLayout.marginHeight = 5; windowLayout.marginWidth = 5; shell.setLayout(windowLayout); // create contents this.createContents(shell); shell.pack(true); return super.createContents(parent); } }