/*******************************************************************************
* Copyright (c) 2003, 2007 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.dltk.ui.dialogs;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
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.Control;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
/**
* @since 2.0
*/
public class MultipleInputDialog extends Dialog {
protected static final String FIELD_NAME = "FIELD_NAME"; //$NON-NLS-1$
protected static final int TEXT = 100;
protected static final int BROWSE = 101;
protected static final int VARIABLE = 102;
protected static final int LABEL = 103;
protected Composite panel;
protected List<FieldSummary> fieldList = new ArrayList<FieldSummary>();
protected List<Text> controlList = new ArrayList<Text>();
protected List<Validator> validators = new ArrayList<Validator>();
protected Map<String, Object> valueMap = new HashMap<String, Object>();
private String title;
public MultipleInputDialog(Shell shell, String title) {
super(shell);
this.title = title;
setShellStyle(getShellStyle() | SWT.RESIZE);
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets
* .Shell)
*/
protected void configureShell(Shell shell) {
super.configureShell(shell);
if (title != null) {
shell.setText(title);
}
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.jface.dialogs.Dialog#createButtonBar(org.eclipse.swt.widgets
* .Composite)
*/
protected Control createButtonBar(Composite parent) {
Control bar = super.createButtonBar(parent);
validateFields();
return bar;
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets
* .Composite)
*/
protected Control createDialogArea(Composite parent) {
Composite container = (Composite) super.createDialogArea(parent);
container.setLayout(new GridLayout(2, false));
container.setLayoutData(new GridData(GridData.FILL_BOTH));
panel = new Composite(container, SWT.NONE);
GridLayout layout = new GridLayout(2, false);
panel.setLayout(layout);
panel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
for (FieldSummary field : fieldList) {
switch (field.type) {
case TEXT:
createTextField(field.name, field.initialValue,
field.allowsEmpty);
break;
case BROWSE:
createBrowseField(field.name, field.initialValue,
field.allowsEmpty);
break;
case VARIABLE:
createVariablesField(field.name, field.initialValue,
field.allowsEmpty);
break;
case LABEL:
createLabelField(field.name);
break;
}
}
fieldList = null; // allow it to be gc'd
Dialog.applyDialogFont(container);
return container;
}
public void addBrowseField(String labelText, String initialValue,
boolean allowsEmpty) {
fieldList.add(new FieldSummary(BROWSE, labelText, initialValue,
allowsEmpty));
}
public void addTextField(String labelText, String initialValue,
boolean allowsEmpty) {
fieldList.add(new FieldSummary(TEXT, labelText, initialValue,
allowsEmpty));
}
public void addVariablesField(String labelText, String initialValue,
boolean allowsEmpty) {
fieldList.add(new FieldSummary(VARIABLE, labelText, initialValue,
allowsEmpty));
}
public void addLabelField(String labelText) {
fieldList.add(new FieldSummary(LABEL, labelText, null, false));
}
protected void createTextField(String labelText, String initialValue,
boolean allowEmpty) {
Label label = new Label(panel, SWT.NONE);
label.setText(labelText);
label.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));
final Text text = new Text(panel, SWT.SINGLE | SWT.BORDER);
text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
text.setData(FIELD_NAME, labelText);
// make sure rows are the same height on both panels.
label.setSize(label.getSize().x, text.getSize().y);
if (initialValue != null) {
text.setText(initialValue);
}
if (!allowEmpty) {
validators.add(new Validator() {
public boolean validate() {
return !text.getText().equals(""); //$NON-NLS-1$
}
});
text.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
validateFields();
}
});
}
controlList.add(text);
}
protected void createBrowseField(String labelText, String initialValue,
boolean allowEmpty) {
Label label = new Label(panel, SWT.NONE);
label.setText(labelText);
label.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));
Composite comp = new Composite(panel, SWT.NONE);
GridLayout layout = new GridLayout();
layout.marginHeight = 0;
layout.marginWidth = 0;
comp.setLayout(layout);
comp.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
final Text text = new Text(comp, SWT.SINGLE | SWT.BORDER);
GridData data = new GridData(GridData.FILL_HORIZONTAL);
data.widthHint = 200;
text.setLayoutData(data);
text.setData(FIELD_NAME, labelText);
// make sure rows are the same height on both panels.
label.setSize(label.getSize().x, text.getSize().y);
if (initialValue != null) {
text.setText(initialValue);
}
if (!allowEmpty) {
validators.add(new Validator() {
public boolean validate() {
return !text.getText().equals(""); //$NON-NLS-1$
}
});
text.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
validateFields();
}
});
}
Button button = createButton(comp, IDialogConstants.IGNORE_ID,
DialogMessages.MultipleInputDialog_ignore, false);
button.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
DirectoryDialog dialog = new DirectoryDialog(getShell());
dialog.setMessage(""); //$NON-NLS-1$
String currentWorkingDir = text.getText();
if (!currentWorkingDir.trim().equals("")) { //$NON-NLS-1$
File path = new File(currentWorkingDir);
if (path.exists()) {
dialog.setFilterPath(currentWorkingDir);
}
}
String selectedDirectory = dialog.open();
if (selectedDirectory != null) {
text.setText(selectedDirectory);
}
}
});
controlList.add(text);
}
public void createVariablesField(String labelText, String initialValue,
boolean allowEmpty) {
Label label = new Label(panel, SWT.NONE);
label.setText(labelText);
label.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));
Composite comp = new Composite(panel, SWT.NONE);
GridLayout layout = new GridLayout();
layout.marginHeight = 0;
layout.marginWidth = 0;
comp.setLayout(layout);
comp.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
final Text text = new Text(comp, SWT.SINGLE | SWT.BORDER);
GridData data = new GridData(GridData.FILL_HORIZONTAL);
data.widthHint = 200;
text.setLayoutData(data);
text.setData(FIELD_NAME, labelText);
// make sure rows are the same height on both panels.
label.setSize(label.getSize().x, text.getSize().y);
if (initialValue != null) {
text.setText(initialValue);
}
if (!allowEmpty) {
validators.add(new Validator() {
public boolean validate() {
return !text.getText().equals(""); //$NON-NLS-1$
}
});
text.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
validateFields();
}
});
}
// Button button = createButton(comp, IDialogConstants.IGNORE_ID,
// "Ignore", false);
// button.addSelectionListener(new SelectionAdapter() {
// public void widgetSelected(SelectionEvent e) {
// StringVariableSelectionDialog dialog = new
// StringVariableSelectionDialog(getShell());
// int code = dialog.open();
// if (code == IDialogConstants.OK_ID) {
// String variable = dialog.getVariableExpression();
// if (variable != null) {
// text.insert(variable);
// }
// }
// }
// });
controlList.add(text);
}
private void createLabelField(String labelText) {
Label label = new Label(panel, SWT.NONE);
label.setText(labelText);
GridData gd = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
gd.horizontalSpan = 2;
label.setLayoutData(gd);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.dialogs.Dialog#okPressed()
*/
protected void okPressed() {
for (Iterator<Text> i = controlList.iterator(); i.hasNext();) {
Control control = i.next();
if (control instanceof Text) {
valueMap.put((String) control.getData(FIELD_NAME),
((Text) control).getText());
}
}
controlList = null;
super.okPressed();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.window.Window#open()
*/
public int open() {
applyDialogFont(panel);
return super.open();
}
public Object getValue(String key) {
return valueMap.get(key);
}
public String getStringValue(String key) {
return (String) getValue(key);
}
public void validateFields() {
for (Iterator<Validator> i = validators.iterator(); i.hasNext();) {
Validator validator = i.next();
if (!validator.validate()) {
getButton(IDialogConstants.OK_ID).setEnabled(false);
return;
}
}
getButton(IDialogConstants.OK_ID).setEnabled(true);
}
protected static class FieldSummary {
int type;
String name;
String initialValue;
boolean allowsEmpty;
public FieldSummary(int type, String name, String initialValue,
boolean allowsEmpty) {
this.type = type;
this.name = name;
this.initialValue = initialValue;
this.allowsEmpty = allowsEmpty;
}
}
protected class Validator {
boolean validate() {
return true;
}
}
}