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/*******************************************************************************
* 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));
}
}
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