/*
* Copyright 2000-2016 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.ide.fileTemplates.ui;
import com.intellij.ide.IdeBundle;
import com.intellij.ide.fileTemplates.FileTemplate;
import com.intellij.ide.fileTemplates.actions.AttributesDefaults;
import com.intellij.openapi.ui.DialogWrapperPeer;
import com.intellij.openapi.util.Pair;
import com.intellij.openapi.util.TextRange;
import com.intellij.ui.ScreenUtil;
import com.intellij.ui.ScrollPaneFactory;
import com.intellij.util.ui.JBUI;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import java.awt.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Properties;
/*
* @author: MYakovlev
*/
public class CreateFromTemplatePanel {
private JPanel myMainPanel;
private JPanel myAttrPanel;
private JTextField myFilenameField;
private final String[] myUnsetAttributes;
private final ArrayList<Pair<String, JTextField>> myAttributes = new ArrayList<>();
private int myHorizontalMargin = -1;
private int myVerticalMargin = -1;
private final boolean myMustEnterName;
private final AttributesDefaults myAttributesDefaults;
public CreateFromTemplatePanel(final String[] unsetAttributes, final boolean mustEnterName,
@Nullable final AttributesDefaults attributesDefaults){
myMustEnterName = mustEnterName;
myUnsetAttributes = unsetAttributes;
myAttributesDefaults = attributesDefaults;
}
public boolean hasSomethingToAsk() {
return myMustEnterName || myUnsetAttributes.length != 0;
}
public JComponent getComponent() {
if (myMainPanel == null){
myMainPanel = new JPanel(new GridBagLayout()){
@Override
public Dimension getPreferredSize(){
return getMainPanelPreferredSize(super.getPreferredSize());
}
};
myAttrPanel = new JPanel(new GridBagLayout());
JPanel myScrollPanel = new JPanel(new GridBagLayout());
updateShown();
myScrollPanel.setBorder(null);
int attrCount = myUnsetAttributes.length;
if (myMustEnterName && !Arrays.asList(myUnsetAttributes).contains(FileTemplate.ATTRIBUTE_NAME)) {
attrCount++;
}
Insets insets = (attrCount > 1) ? JBUI.insets(2) : new Insets(0, 0, 0, 0);
myScrollPanel.add(myAttrPanel, new GridBagConstraints(0, 0, 1, 1, 1.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, insets, 0, 0));
if (attrCount > 1) {
myScrollPanel.add(new JPanel(), new GridBagConstraints(0, 1, 1, 1, 0.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH, JBUI.insets(2), 0, 0));
JScrollPane attrScroll = ScrollPaneFactory.createScrollPane(myScrollPanel, true);
attrScroll.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
attrScroll.setViewportBorder(null);
myMainPanel.add(attrScroll, new GridBagConstraints(0, 0, 1, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH, JBUI.insets(2), 0, 0));
}
else {
myMainPanel.add(myScrollPanel, new GridBagConstraints(0, 0, 1, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0));
}
}
return myMainPanel;
}
public void ensureFitToScreen(int horizontalMargin, int verticalMargin){
myHorizontalMargin = horizontalMargin;
myVerticalMargin = verticalMargin;
}
private Dimension getMainPanelPreferredSize(Dimension superPreferredSize){
if((myHorizontalMargin > 0) && (myVerticalMargin > 0)){
Dimension screenSize = ScreenUtil.getMainScreenBounds().getSize();
Dimension preferredSize = superPreferredSize;
Dimension maxSize = new Dimension(screenSize.width - myHorizontalMargin, screenSize.height - myVerticalMargin);
int width = Math.min(preferredSize.width, maxSize.width);
int height = Math.min(preferredSize.height, maxSize.height);
if(height < preferredSize.height){
width = Math.min(width + 50, maxSize.width); // to disable horizontal scroller
}
preferredSize = new Dimension(width, height);
return preferredSize;
}
else{
return superPreferredSize;
}
}
private void updateShown() {
final Insets insets = new Insets(2, 4, 4, 2);
if(myMustEnterName || Arrays.asList(myUnsetAttributes).contains(FileTemplate.ATTRIBUTE_NAME)){
final JLabel filenameLabel = new JLabel(IdeBundle.message("label.file.name"));
myAttrPanel.add(filenameLabel, new GridBagConstraints(0, 1, 1, 1, 0.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.NONE, insets, 0, 0));
myFilenameField = new JTextField(20);
// if default settings specified
if (myAttributesDefaults != null) {
final String fileName = myAttributesDefaults.getDefaultFileName();
// if default file name specified
if (fileName != null) {
// set predefined file name value
myFilenameField.setText(fileName);
final TextRange selectionRange;
// select range from default attributes or select file name without extension
if (myAttributesDefaults.getDefaultFileNameSelection() != null) {
selectionRange = myAttributesDefaults.getDefaultFileNameSelection();
} else {
final int dot = fileName.indexOf('.');
if (dot > 0) {
selectionRange = new TextRange(0, dot);
} else {
selectionRange = null;
}
}
// set selection in editor
if (selectionRange != null) {
setPredefinedSelectionFor(myFilenameField, selectionRange);
}
}
}
myAttrPanel.add(myFilenameField, new GridBagConstraints(1, 1, 1, 1, 1.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, insets, 0, 0));
}
int lastRow = 2;
for (String attribute : myUnsetAttributes) {
if (attribute.equals(FileTemplate.ATTRIBUTE_NAME)) { // already asked above
continue;
}
final JLabel label = new JLabel(attribute.replace('_', ' ') + ":");
final JTextField field = new JTextField();
field.setColumns(30);
if (myAttributesDefaults != null) {
final String defaultValue = myAttributesDefaults.getDefaultValueFor(attribute);
final TextRange selectionRange = myAttributesDefaults.getRangeFor(attribute);
if (defaultValue != null) {
field.setText(defaultValue);
// set default selection
if (selectionRange != null) {
setPredefinedSelectionFor(field, selectionRange);
}
}
}
myAttributes.add(Pair.create(attribute, field));
myAttrPanel.add(label, new GridBagConstraints(0, lastRow, 1, 1, 0.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.NONE,
insets, 0, 0));
myAttrPanel.add(field, new GridBagConstraints(1, lastRow, 1, 1, 1.0, 0.0, GridBagConstraints.WEST,
GridBagConstraints.HORIZONTAL, insets, 0, 0));
lastRow++;
}
myAttrPanel.repaint();
myAttrPanel.revalidate();
myMainPanel.revalidate();
}
@Nullable
public String getFileName(){
if (myFilenameField!=null) {
String fileName = myFilenameField.getText();
return fileName == null ? "" : fileName;
} else {
return null;
}
}
public Properties getProperties(Properties predefinedProperties) {
Properties result = (Properties) predefinedProperties.clone();
for (Pair<String, JTextField> pair : myAttributes) {
result.setProperty(pair.first, pair.second.getText());
}
return result;
}
private static void setPredefinedSelectionFor(final JTextField field, final TextRange selectionRange) {
field.select(selectionRange.getStartOffset(), selectionRange.getEndOffset());
field.putClientProperty(DialogWrapperPeer.HAVE_INITIAL_SELECTION, true);
}
}