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A ContentAdapter provides a common interface to handle

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operations for specific types of content.
This commit is contained in:
Robert Greene 2004-06-13 03:33:26 +00:00
parent 89877c161e
commit 47403ac781
3 changed files with 190 additions and 0 deletions
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31
src/com/webcodepro/applecommander/ui/swt/util/contentadapter/ContentTypeAdapter.java Normal file
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/*
* AppleCommander - An Apple ][ image utility.
* Copyright (C) 2002-2004 by Robert Greene
* robgreene at users.sourceforge.net
*
* 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
*/
package com.webcodepro.applecommander.ui.swt.util.contentadapter;
/**
* Provides a common interface to handle operations for specific types of content.
*
* @author Rob Greene
*/
public interface ContentTypeAdapter {
public void print();
public void selectAll();
public void copy();
}

80
src/com/webcodepro/applecommander/ui/swt/util/contentadapter/ImageCanvasAdapter.java Normal file
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/*
* AppleCommander - An Apple ][ image utility.
* Copyright (C) 2002-2004 by Robert Greene
* robgreene at users.sourceforge.net
*
* 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
*/
package com.webcodepro.applecommander.ui.swt.util.contentadapter;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.printing.Printer;
import com.webcodepro.applecommander.ui.swt.util.ImageCanvas;
import com.webcodepro.applecommander.ui.swt.util.SwtUtil;
/**
* Content-specific adapter for an ImageCanvas.
*
* @author Rob Greene
*/
public class ImageCanvasAdapter implements ContentTypeAdapter {
private ImageCanvas imageCanvas;
private String printJobName;
public ImageCanvasAdapter(ImageCanvas imageCanvas, String printJobName) {
this.imageCanvas = imageCanvas;
this.printJobName = printJobName;
}
public void print() {
final Printer printer = SwtUtil.showPrintDialog(imageCanvas);
if (printer == null) return; // Print was cancelled
new Thread(new Runnable() {
public void run() {
printer.startJob(printJobName);
printer.startPage();
Point dpi = printer.getDPI();
Image image = imageCanvas.getImage();
int imageWidth = image.getImageData().width;
int imageHeight = image.getImageData().height;
int printedWidth = imageWidth * (dpi.x / 96);
int printedHeight = imageHeight * (dpi.y / 96);
GC gc = new GC(printer);
gc.drawImage(image,
0, 0, imageWidth, imageHeight,
0, 0, printedWidth, printedHeight);
printer.endPage();
printer.endJob();
gc.dispose();
printer.dispose();
}
}).start();
}
public void selectAll() {
// N/A?
}
public void copy() {
// TODO: Can SWT copy an image to the clipboard?
// Clipboard clipboard = new Clipboard(shell.getDisplay());
// String[] typeNames = clipboard.getAvailableTypeNames();
// look at the typeNames - nothing that looks like an image?!
// clipboard.dispose();
}
}

79
src/com/webcodepro/applecommander/ui/swt/util/contentadapter/StyledTextAdapter.java Normal file
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/*
* AppleCommander - An Apple ][ image utility.
* Copyright (C) 2002-2004 by Robert Greene
* robgreene at users.sourceforge.net
*
* 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
*/
package com.webcodepro.applecommander.ui.swt.util.contentadapter;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.custom.StyledTextPrintOptions;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.printing.Printer;
import com.webcodepro.applecommander.ui.swt.util.SwtUtil;
/**
* Content-specific adapter for StyledText.
*
* @author Rob Greene
*/
public class StyledTextAdapter implements ContentTypeAdapter {
private StyledText styledText;
private String printJobName;
public StyledTextAdapter(StyledText styledText, String printJobName) {
this.styledText = styledText;
this.printJobName = printJobName;
}
public void print() {
final Printer printer = SwtUtil.showPrintDialog(styledText);
if (printer == null) return; // Print was cancelled
StyledTextPrintOptions options = new StyledTextPrintOptions();
options.jobName = printJobName;
options.printLineBackground = true;
options.printTextBackground = true;
options.printTextFontStyle = true;
options.printTextForeground = true;
options.footer = "\t<page>";
options.header = "\t" + printJobName;
final Runnable runnable = styledText.print(printer, options);
new Thread(new Runnable() {
public void run() {
runnable.run();
printer.dispose();
}
}).start();
}
public void selectAll() {
styledText.selectAll();
}
public void copy() {
// If there is no selection, copy everything
if (styledText.getSelectionCount() == 0) {
Point selection = styledText.getSelection();
styledText.selectAll();
styledText.copy();
styledText.setSelection(selection);
} else { // copy current selection
styledText.copy();
}
}
}