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/******************************************************************************
* Copyright (c) 2006, 2020 Borland Software Corporation, CEA LIST, Artal
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Michael Golubev (Borland) - initial API and implementation
* Aurelien Didier (ARTAL) - aurelien.didier51@gmail.com - Bug 569174
*****************************************************************************/
package org.eclipse.papyrus.gmf.internal.graphdef.codegen.ui;
import org.eclipse.pde.ui.templates.BaseOptionTemplateSection;
import org.eclipse.pde.ui.templates.TemplateOption;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
/**
* @see org.eclipse.pde.ui.templates.StringOption
*/
public class FileNameOption extends TemplateOption {
private final String[] myExtensions;
private Text myText;
private Label myLabelControl;
private Button myBrowseButton;
private boolean myIgnoreListener;
private boolean mySaveNotLoad;
/**
* @param section
* the parent section
* @param name
* the unique option name
* @param label
* the translatable label of the option
*/
public FileNameOption(BaseOptionTemplateSection section, String name, String label, String[] extensions) {
super(section, name, label);
setRequired(true);
myExtensions = extensions;
}
public void setSaveNotLoad(boolean saveNotLoad){
mySaveNotLoad = saveNotLoad;
}
/**
* A utility version of the <samp>getValue() </samp> method that converts
* the current value into the String object.
*
* @return the string version of the current value.
*/
public String getText() {
if (getValue() != null)
return getValue().toString();
return null;
}
/**
* A utility version of the <samp>setValue </samp> method that accepts
* String objects.
*
* @param newText
* the new text value of the option
* @see #setValue(Object)
*/
public void setText(String newText) {
setValue(newText);
}
/**
* Implements the superclass method by passing the string value of the new
* value to the widget
*
* @param value
* the new option value
*/
public void setValue(Object value) {
super.setValue(value);
if (myText != null) {
myIgnoreListener = true;
String textValue = getText();
myText.setText(textValue != null ? textValue : ""); //$NON-NLS-1$
myIgnoreListener = false;
}
}
/**
* Creates the string option control.
*
* @param parent
* parent composite of the string option widget
* @param span
* the number of columns that the widget should span
*/
public void createControl(Composite parent, int span) {
myLabelControl = createLabel(parent, 1);
myLabelControl.setEnabled(isEnabled());
Composite textAndButtonGroup = new Composite(parent, SWT.NULL);
GridLayout groupLayout = new GridLayout(2, false);
groupLayout.marginWidth = 0;
groupLayout.marginHeight = 0;
groupLayout.verticalSpacing = 0;
groupLayout.horizontalSpacing = 5;
textAndButtonGroup.setLayout(groupLayout);
GridData groupLayoutData = new GridData(GridData.FILL_HORIZONTAL);
groupLayoutData.horizontalSpan = span - 1;
textAndButtonGroup.setLayoutData(groupLayoutData);
myText = new Text(textAndButtonGroup, SWT.SINGLE | SWT.BORDER);
GridData textGD = new GridData(GridData.FILL_HORIZONTAL);
myText.setLayoutData(textGD);
myBrowseButton = new Button(textAndButtonGroup, SWT.NULL);
GridData buttonGD = new GridData(GridData.HORIZONTAL_ALIGN_CENTER);
myBrowseButton.setLayoutData(buttonGD);
if (getValue() != null){
myText.setText(getValue().toString());
}
myText.setEnabled(isEnabled());
myText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
if (myIgnoreListener)
return;
FileNameOption.super.setValue(myText.getText());
getSection().validateOptions(FileNameOption.this);
}
});
myBrowseButton.setText("Browse...");
myBrowseButton.setEnabled(isEnabled());
myBrowseButton.addSelectionListener(new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
widgetSelected(e);
}
public void widgetSelected(SelectionEvent e) {
FileDialog fileDialog = new FileDialog(e.display.getActiveShell(), getSaveNotLoadDialogStyle() | SWT.PRIMARY_MODAL);
fileDialog.setFilterExtensions(myExtensions);
setText(fileDialog.open());
getSection().validateOptions(FileNameOption.this);
}
private int getSaveNotLoadDialogStyle(){
return FileNameOption.this.isSaveNotLoad() ? SWT.SAVE : SWT.OPEN;
}
});
}
/**
* A string option is empty if its text field contains no text.
*
* @return true if there is no text in the text field.
*/
public boolean isEmpty() {
return getValue() == null || getValue().toString().trim().length() == 0;
}
/**
* Implements the superclass method by passing the enabled state to the
* option's widget.
*
* @param enabled
*/
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
if (myLabelControl != null) {
myLabelControl.setEnabled(enabled);
myText.setEnabled(enabled);
myBrowseButton.setEnabled(enabled);
}
}
private boolean isSaveNotLoad(){
return mySaveNotLoad;
}
}
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