org.eclipse.swt.printing.PrintDialog Maven / Gradle / Ivy
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/*******************************************************************************
* Copyright (c) 2000, 2011, 2012 IBM Corporation, Gerhardt Informatics Kft. 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
* Gerhardt Informatics Kft. - GEFGWT port
*******************************************************************************/
package org.eclipse.swt.printing;
import org.eclipse.swt.SWT;
import org.eclipse.swt.SWTException;
import org.eclipse.swt.widgets.Dialog;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Widget;
/**
* Instances of this class allow the user to select a printer and various
* print-related parameters prior to starting a print job.
*
* IMPORTANT: This class is not intended to be subclassed.
*
*
* @see Printing
* snippets
* @see SWT Example:
* ControlExample, Dialog tab
* @see Sample code and further
* information
* @noextend This class is not intended to be subclassed by clients.
*/
public class PrintDialog extends Dialog {
PrinterData printerData = new PrinterData();
long /* int */handle;
int index;
byte[] settingsData;
static final String GET_MODAL_DIALOG = "org.eclipse.swt.internal.gtk.getModalDialog";
static final String SET_MODAL_DIALOG = "org.eclipse.swt.internal.gtk.setModalDialog";
static final String ADD_IDLE_PROC_KEY = "org.eclipse.swt.internal.gtk.addIdleProc";
static final String REMOVE_IDLE_PROC_KEY = "org.eclipse.swt.internal.gtk.removeIdleProc";
static final String GET_EMISSION_PROC_KEY = "org.eclipse.swt.internal.gtk.getEmissionProc";
/**
* Constructs a new instance of this class given only its parent.
*
* @param parent
* a composite control which will be the parent of the new
* instance (cannot be null)
*
* @exception IllegalArgumentException
*
* - ERROR_NULL_ARGUMENT - if the parent is null
*
* @exception SWTException
*
* - ERROR_THREAD_INVALID_ACCESS - if not called from the
* thread that created the parent
* - ERROR_INVALID_SUBCLASS - if this class is not an
* allowed subclass
*
*
* @see SWT
* @see Widget#checkSubclass
* @see Widget#getStyle
*/
public PrintDialog(Shell parent) {
this(parent, SWT.PRIMARY_MODAL);
}
/**
* Constructs a new instance of this class given its parent and a style
* value describing its behavior and appearance.
*
* The style value is either one of the style constants defined in class
* SWT which is applicable to instances of this class, or must
* be built by bitwise OR'ing together (that is, using the
* int "|" operator) two or more of those SWT
* style constants. The class description lists the style constants that are
* applicable to the class. Style bits are also inherited from superclasses.
*
*
* @param parent
* a composite control which will be the parent of the new
* instance (cannot be null)
* @param style
* the style of control to construct
*
* @exception IllegalArgumentException
*
* - ERROR_NULL_ARGUMENT - if the parent is null
*
* @exception SWTException
*
* - ERROR_THREAD_INVALID_ACCESS - if not called from the
* thread that created the parent
* - ERROR_INVALID_SUBCLASS - if this class is not an
* allowed subclass
*
*
* @see SWT
* @see Widget#checkSubclass
* @see Widget#getStyle
*/
public PrintDialog(Shell parent, int style) {
super(parent, checkStyleBit(parent, style));
checkSubclass();
}
/**
* Sets the printer data that will be used when the dialog is opened.
*
* Setting the printer data to null is equivalent to resetting all data
* fields to their default values.
*
*
* @param data
* the data that will be used when the dialog is opened or null
* to use default data
*
* @since 3.4
*/
public void setPrinterData(PrinterData data) {
if (data == null)
data = new PrinterData();
this.printerData = data;
}
/**
* Returns the printer data that will be used when the dialog is opened.
*
* @return the data that will be used when the dialog is opened
*
* @since 3.4
*/
public PrinterData getPrinterData() {
return printerData;
}
static int checkBits(int style, int int0, int int1, int int2, int int3,
int int4, int int5) {
int mask = int0 | int1 | int2 | int3 | int4 | int5;
if ((style & mask) == 0)
style |= int0;
if ((style & int0) != 0)
style = (style & ~mask) | int0;
if ((style & int1) != 0)
style = (style & ~mask) | int1;
if ((style & int2) != 0)
style = (style & ~mask) | int2;
if ((style & int3) != 0)
style = (style & ~mask) | int3;
if ((style & int4) != 0)
style = (style & ~mask) | int4;
if ((style & int5) != 0)
style = (style & ~mask) | int5;
return style;
}
static int checkStyleBit(Shell parent, int style) {
int mask = SWT.PRIMARY_MODAL | SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL;
if ((style & SWT.SHEET) != 0) {
style &= ~SWT.SHEET;
if ((style & mask) == 0) {
style |= parent == null ? SWT.APPLICATION_MODAL
: SWT.PRIMARY_MODAL;
}
}
if ((style & mask) == 0) {
style |= SWT.APPLICATION_MODAL;
}
style &= ~SWT.MIRRORED;
if ((style & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT)) == 0) {
if (parent != null) {
if ((parent.getStyle() & SWT.LEFT_TO_RIGHT) != 0)
style |= SWT.LEFT_TO_RIGHT;
if ((parent.getStyle() & SWT.RIGHT_TO_LEFT) != 0)
style |= SWT.RIGHT_TO_LEFT;
}
}
return checkBits(style, SWT.LEFT_TO_RIGHT, SWT.RIGHT_TO_LEFT, 0, 0, 0,
0);
}
protected void checkSubclass() {
}
/**
* Returns the print job scope that the user selected before pressing OK in
* the dialog. This will be one of the following values:
*
* PrinterData.ALL_PAGES- Print all pages in the current document
* PrinterData.PAGE_RANGE- Print the range of pages specified by startPage and endPage
* PrinterData.SELECTION- Print the current selection
*
*
* @return the scope setting that the user selected
*/
public int getScope() {
return printerData.scope;
}
/**
* Sets the scope of the print job. The user will see this setting when the
* dialog is opened. This can have one of the following values:
*
* PrinterData.ALL_PAGES- Print all pages in the current document
* PrinterData.PAGE_RANGE- Print the range of pages specified by startPage and endPage
* PrinterData.SELECTION- Print the current selection
*
*
* @param scope
* the scope setting when the dialog is opened
*/
public void setScope(int scope) {
printerData.scope = scope;
}
/**
* Returns the start page setting that the user selected before pressing OK
* in the dialog.
*
* This value can be from 1 to the maximum number of pages for the platform.
* Note that it is only valid if the scope is
* PrinterData.PAGE_RANGE.
*
*
* @return the start page setting that the user selected
*/
public int getStartPage() {
return printerData.startPage;
}
/**
* Sets the start page that the user will see when the dialog is opened.
*
* This value can be from 1 to the maximum number of pages for the platform.
* Note that it is only valid if the scope is
* PrinterData.PAGE_RANGE.
*
*
* @param startPage
* the startPage setting when the dialog is opened
*/
public void setStartPage(int startPage) {
printerData.startPage = startPage;
}
/**
* Returns the end page setting that the user selected before pressing OK in
* the dialog.
*
* This value can be from 1 to the maximum number of pages for the platform.
* Note that it is only valid if the scope is
* PrinterData.PAGE_RANGE.
*
*
* @return the end page setting that the user selected
*/
public int getEndPage() {
return printerData.endPage;
}
/**
* Sets the end page that the user will see when the dialog is opened.
*
* This value can be from 1 to the maximum number of pages for the platform.
* Note that it is only valid if the scope is
* PrinterData.PAGE_RANGE.
*
*
* @param endPage
* the end page setting when the dialog is opened
*/
public void setEndPage(int endPage) {
printerData.endPage = endPage;
}
/**
* Returns the 'Print to file' setting that the user selected before
* pressing OK in the dialog.
*
* @return the 'Print to file' setting that the user selected
*/
public boolean getPrintToFile() {
return printerData.printToFile;
}
/**
* Sets the 'Print to file' setting that the user will see when the dialog
* is opened.
*
* @param printToFile
* the 'Print to file' setting when the dialog is opened
*/
public void setPrintToFile(boolean printToFile) {
printerData.printToFile = printToFile;
}
/**
* Makes the receiver visible and brings it to the front of the display.
*
* @return a printer data object describing the desired print job
* parameters, or null if the dialog was canceled, no printers were
* found, or an error occurred
*
* @exception SWTException
*
* - ERROR_WIDGET_DISPOSED - if the receiver has been
* disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the
* thread that created the receiver
*
*/
public PrinterData open() {
return null;
}
long /* int */GtkPrintSettingsFunc(long /* int */key, long /* int */value,
long /* int */data) {
return 0;
}
void store(String key, int value) {
store(key, String.valueOf(value));
}
void store(String key, double value) {
store(key, String.valueOf(value));
}
void store(String key, boolean value) {
store(key, String.valueOf(value));
}
void storeBytes(String key, long /* int */value) {
}
void store(String key, String value) {
store(key.getBytes(), value.getBytes());
}
void store(byte[] key, byte[] value) {
int length = key.length + 1 + value.length + 1;
if (index + length + 1 > settingsData.length) {
byte[] newData = new byte[settingsData.length
+ Math.max(length + 1, 1024)];
System.arraycopy(settingsData, 0, newData, 0, settingsData.length);
settingsData = newData;
}
System.arraycopy(key, 0, settingsData, index, key.length);
index += key.length + 1; // null terminated
System.arraycopy(value, 0, settingsData, index, value.length);
index += value.length + 1; // null terminated
}
}
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