| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.swt.examples.paint; |
| |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.swt.events.*; |
| import org.eclipse.swt.layout.*; |
| |
| /** |
| * A text drawing tool. |
| */ |
| public class TextTool extends BasicPaintSession implements PaintTool { |
| private ToolSettings settings; |
| private String drawText = PaintExample.getResourceString("tool.Text.settings.defaulttext"); |
| |
| /** |
| * Constructs a PaintTool. |
| * |
| * @param toolSettings the new tool settings |
| * @param paintSurface the PaintSurface we will render on. |
| */ |
| public TextTool(ToolSettings toolSettings, PaintSurface paintSurface) { |
| super(paintSurface); |
| set(toolSettings); |
| } |
| |
| /** |
| * Sets the tool's settings. |
| * |
| * @param toolSettings the new tool settings |
| */ |
| public void set(ToolSettings toolSettings) { |
| settings = toolSettings; |
| } |
| |
| /** |
| * Returns name associated with this tool. |
| * |
| * @return the localized name of this tool |
| */ |
| public String getDisplayName() { |
| return PaintExample.getResourceString("tool.Text.label"); |
| } |
| |
| /** |
| * Activates the tool. |
| */ |
| public void beginSession() { |
| getPaintSurface().setStatusMessage(PaintExample.getResourceString( |
| "session.Text.message")); |
| } |
| |
| /** |
| * Deactivates the tool. |
| */ |
| public void endSession() { |
| getPaintSurface().clearRubberbandSelection(); |
| } |
| |
| /** |
| * Aborts the current operation. |
| */ |
| public void resetSession() { |
| getPaintSurface().clearRubberbandSelection(); |
| } |
| |
| /** |
| * Handles a mouseDown event. |
| * |
| * @param event the mouse event detail information |
| */ |
| public void mouseDown(MouseEvent event) { |
| if (event.button == 1) { |
| // draw with left mouse button |
| getPaintSurface().commitRubberbandSelection(); |
| } else { |
| // set text with right mouse button |
| getPaintSurface().clearRubberbandSelection(); |
| Shell shell = getPaintSurface().getShell(); |
| final Shell dialog = new Shell(shell, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL); |
| dialog.setText(PaintExample.getResourceString("tool.Text.dialog.title")); |
| dialog.setLayout(new GridLayout()); |
| Label label = new Label(dialog, SWT.NONE); |
| label.setText(PaintExample.getResourceString("tool.Text.dialog.message")); |
| label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false)); |
| final Text field = new Text(dialog, SWT.SINGLE | SWT.BORDER); |
| field.setText(drawText); |
| field.selectAll(); |
| field.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false)); |
| Composite buttons = new Composite(dialog, SWT.NONE); |
| GridLayout layout = new GridLayout(2, true); |
| layout.marginWidth = 0; |
| buttons.setLayout(layout); |
| buttons.setLayoutData(new GridData(SWT.END, SWT.CENTER, false, false)); |
| Button ok = new Button(buttons, SWT.PUSH); |
| ok.setText(PaintExample.getResourceString("OK")); |
| ok.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false)); |
| ok.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| drawText = field.getText(); |
| dialog.dispose(); |
| } |
| }); |
| Button cancel = new Button(buttons, SWT.PUSH); |
| cancel.setText(PaintExample.getResourceString("Cancel")); |
| cancel.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| dialog.dispose(); |
| } |
| }); |
| dialog.setDefaultButton(ok); |
| dialog.pack(); |
| dialog.open(); |
| Display display = dialog.getDisplay(); |
| while (! shell.isDisposed() && ! dialog.isDisposed()) { |
| if (! display.readAndDispatch()) display.sleep(); |
| } |
| } |
| } |
| |
| /** |
| * Handles a mouseDoubleClick event. |
| * |
| * @param event the mouse event detail information |
| */ |
| public void mouseDoubleClick(MouseEvent event) { |
| } |
| |
| /** |
| * Handles a mouseUp event. |
| * |
| * @param event the mouse event detail information |
| */ |
| public void mouseUp(MouseEvent event) { |
| } |
| |
| /** |
| * Handles a mouseMove event. |
| * |
| * @param event the mouse event detail information |
| */ |
| public void mouseMove(MouseEvent event) { |
| final PaintSurface ps = getPaintSurface(); |
| ps.setStatusCoord(ps.getCurrentPosition()); |
| ps.clearRubberbandSelection(); |
| ps.addRubberbandSelection( |
| new TextFigure(settings.commonForegroundColor, settings.commonFont, |
| drawText, event.x, event.y)); |
| } |
| } |