/* * Created on 16 July 2006 * Copyright (C) 2004, 2005, 2006 Aelitis, All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * AELITIS, SAS au capital de 46,603.30 euros * 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France. * */ package org.gudy.azureus2.ui.swt; import org.eclipse.swt.SWT; import org.eclipse.swt.events.TraverseEvent; import org.eclipse.swt.events.TraverseListener; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.layout.RowData; import org.eclipse.swt.layout.RowLayout; import org.eclipse.swt.widgets.*; import org.gudy.azureus2.core3.internat.MessageText; import org.gudy.azureus2.core3.util.Constants; import org.gudy.azureus2.core3.util.Debug; import org.gudy.azureus2.plugins.ui.UIInputValidator; import org.gudy.azureus2.ui.swt.components.ControlUtils; import org.gudy.azureus2.ui.swt.pluginsimpl.AbstractUISWTInputReceiver; import org.eclipse.swt.widgets.MessageBox; /** * @author amc1 * Based on CategoryAdderWindow. */ public class SimpleTextEntryWindow extends AbstractUISWTInputReceiver { /** * This is here just to make it more straight-forward for code that wants * to add a validator, without having to import a plugin API interface. */ public abstract static class Validator implements UIInputValidator {} private Display display; public SimpleTextEntryWindow(final Display display) { this.display = display; } protected void promptForInput() { final Shell shell = org.gudy.azureus2.ui.swt.components.shell.ShellFactory.createShell(Utils.findAnyShell(), SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL); if (this.title != null) { shell.setText(this.title); } Utils.setShellIcon(shell); GridLayout layout = new GridLayout(); shell.setLayout(layout); // Default width hint is 330. int width_hint = (this.width_hint == -1) ? 330 : this.width_hint; // Process any messages. Label label = null; GridData gridData = null; for (int i=0; i<this.messages.length; i++) { label = new Label(shell, SWT.NONE); label.setText(this.messages[i]); // 330 is the current default width. gridData = new GridData(); gridData.widthHint = width_hint; label.setLayoutData(gridData); } // We may, at a later date, allow more customisable behaviour w.r.t. to this. // (e.g. "Should we wrap this, should we provide H_SCROLL capabilities" etc.) int text_entry_flags = SWT.BORDER; if (this.multiline_mode) { text_entry_flags |= SWT.MULTI | SWT.V_SCROLL | SWT.WRAP; } else { text_entry_flags |= SWT.SINGLE; } // Create Text object with pre-entered text. final Text text_entry = new Text(shell, text_entry_flags); if (this.preentered_text != null) { text_entry.setText(this.preentered_text); if (this.select_preentered_text) { text_entry.selectAll(); } } // TAB will take them out of the text entry box. text_entry.addTraverseListener(new TraverseListener() { public void keyTraversed(TraverseEvent e) { if (e.detail == SWT.TRAVERSE_TAB_NEXT || e.detail == SWT.TRAVERSE_TAB_PREVIOUS) { e.doit = true; } } }); // Default behaviour - single mode results in default height of 1 line, // multiple lines has default height of 3. int line_height = this.line_height; if (line_height == -1) { line_height = (this.multiline_mode) ? 3 : 1; } gridData = new GridData(); gridData.widthHint = width_hint; gridData.minimumHeight = text_entry.getLineHeight() * line_height; gridData.heightHint = gridData.minimumHeight; text_entry.setLayoutData(gridData); Composite panel = new Composite(shell, SWT.NULL); final RowLayout rLayout = new RowLayout(); rLayout.marginTop = 0; rLayout.marginLeft = 0; rLayout.marginBottom = 0; rLayout.marginRight = 0; try { rLayout.fill = true; } catch (NoSuchFieldError e) { // SWT 2.x } rLayout.spacing = ControlUtils.getButtonMargin(); panel.setLayout(rLayout); gridData = new GridData(); gridData.horizontalAlignment = (Constants.isOSX) ? SWT.END : SWT.CENTER; panel.setLayoutData(gridData); Button ok = createAlertButton(panel, "Button.ok"); Button cancel = createAlertButton(panel, "Button.cancel"); ok.addListener(SWT.Selection, new Listener() { private void showError(String text) { String error_title = SimpleTextEntryWindow.this.title; if (error_title == null) {error_title = "";} MessageBox mb = new MessageBox(shell, SWT.ICON_ERROR | SWT.OK); mb.setText(error_title); mb.setMessage(text); mb.open(); } /* (non-Javadoc) * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event) */ public void handleEvent(Event event) { try { String entered_data = text_entry.getText(); if (!SimpleTextEntryWindow.this.maintain_whitespace) { entered_data = entered_data.trim(); } if (!SimpleTextEntryWindow.this.allow_empty_input && entered_data.length() == 0) { showError(MessageText.getString("UI.cannot_submit_blank_text")); return; } UIInputValidator validator = SimpleTextEntryWindow.this.validator; if (validator != null) { String validate_result = validator.validate(entered_data); if (validate_result != null) { showError(MessageText.getString(validate_result)); return; } } SimpleTextEntryWindow.this.recordUserInput(entered_data); } catch (Exception e) { Debug.printStackTrace(e); SimpleTextEntryWindow.this.recordUserAbort(); } shell.dispose(); } }); cancel.addListener(SWT.Selection, new Listener() { /* (non-Javadoc) * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event) */ public void handleEvent(Event event) { SimpleTextEntryWindow.this.recordUserAbort(); shell.dispose(); } }); shell.setDefaultButton(ok); shell.addListener(SWT.Traverse, new Listener() { public void handleEvent(Event e) { if ( e.character == SWT.ESC){ SimpleTextEntryWindow.this.recordUserAbort(); shell.dispose(); } } }); shell.pack(); Utils.createURLDropTarget(shell, text_entry); Utils.centreWindow(shell); shell.open(); while (!shell.isDisposed()) if (!display.readAndDispatch()) display.sleep(); } private static Button createAlertButton(final Composite panel, String localizationKey) { final Button button = new Button(panel, SWT.PUSH); button.setText(MessageText.getString(localizationKey)); final RowData rData = new RowData(); rData.width = Math.max( ControlUtils.getDialogButtonMinWidth(), button.computeSize(SWT.DEFAULT, SWT.DEFAULT).x ); button.setLayoutData(rData); return button; } }