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Apache Pivot WTK Terra Theme Library
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you 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 org.apache.pivot.wtk.skin.terra;
import java.io.File;
import java.io.IOException;
import org.apache.pivot.beans.BXML;
import org.apache.pivot.beans.BXMLSerializer;
import org.apache.pivot.collections.ArrayList;
import org.apache.pivot.collections.Sequence;
import org.apache.pivot.serialization.SerializationException;
import org.apache.pivot.util.Filter;
import org.apache.pivot.util.Vote;
import org.apache.pivot.wtk.BoxPane;
import org.apache.pivot.wtk.Button;
import org.apache.pivot.wtk.ButtonPressListener;
import org.apache.pivot.wtk.Component;
import org.apache.pivot.wtk.ComponentMouseButtonListener;
import org.apache.pivot.wtk.Container;
import org.apache.pivot.wtk.FileBrowser;
import org.apache.pivot.wtk.FileBrowserListener;
import org.apache.pivot.wtk.FileBrowserSheet;
import org.apache.pivot.wtk.FileBrowserSheetListener;
import org.apache.pivot.wtk.Mouse;
import org.apache.pivot.wtk.PushButton;
import org.apache.pivot.wtk.Sheet;
import org.apache.pivot.wtk.TextInput;
import org.apache.pivot.wtk.TextInputContentListener;
import org.apache.pivot.wtk.Window;
/**
* Terra file browser sheet skin.
*/
public class TerraFileBrowserSheetSkin extends TerraSheetSkin implements FileBrowserSheetListener {
private static class SaveToFileFilter implements Filter {
public final Filter sourceFilter;
public SaveToFileFilter(Filter sourceFilter) {
this.sourceFilter = sourceFilter;
}
@Override
public boolean include(File file) {
return (!file.isDirectory()
|| (sourceFilter != null
&& sourceFilter.include(file)));
}
}
@BXML private BoxPane saveAsBoxPane = null;
@BXML private TextInput saveAsTextInput = null;
@BXML private FileBrowser fileBrowser = null;
@BXML private PushButton okButton = null;
@BXML private PushButton cancelButton = null;
private boolean updatingSelection = false;
private int selectedDirectoryCount = 0;
public TerraFileBrowserSheetSkin() {
setResizable(true);
}
@Override
public void install(Component component) {
super.install(component);
final FileBrowserSheet fileBrowserSheet = (FileBrowserSheet)component;
fileBrowserSheet.setMinimumWidth(360);
fileBrowserSheet.setMinimumHeight(180);
// Load the sheet content
BXMLSerializer bxmlSerializer = new BXMLSerializer();
Component content;
try {
content = (Component)bxmlSerializer.readObject(TerraFileBrowserSheetSkin.class,
"terra_file_browser_sheet_skin.bxml", true);
} catch (IOException exception) {
throw new RuntimeException(exception);
} catch (SerializationException exception) {
throw new RuntimeException(exception);
}
fileBrowserSheet.setContent(content);
bxmlSerializer.bind(this, TerraFileBrowserSheetSkin.class);
saveAsTextInput.getTextInputContentListeners().add(new TextInputContentListener.Adapter() {
@Override
public void textChanged(TextInput textInput) {
updateOKButtonState();
}
});
fileBrowser.getFileBrowserListeners().add(new FileBrowserListener.Adapter() {
@Override
public void rootDirectoryChanged(FileBrowser fileBrowser,
File previousRootDirectory) {
updatingSelection = true;
fileBrowserSheet.setRootDirectory(fileBrowser.getRootDirectory());
updatingSelection = false;
selectedDirectoryCount = 0;
updateOKButtonState();
}
@Override
public void selectedFileAdded(FileBrowser fileBrowser, File file) {
if (file.isDirectory()) {
selectedDirectoryCount++;
}
updateOKButtonState();
}
@Override
public void selectedFileRemoved(FileBrowser fileBrowser, File file) {
if (file.isDirectory()) {
selectedDirectoryCount--;
}
updateOKButtonState();
}
@Override
public void selectedFilesChanged(FileBrowser fileBrowser,
Sequence previousSelectedFiles) {
selectedDirectoryCount = 0;
Sequence selectedFiles = fileBrowser.getSelectedFiles();
for (int i = 0, n = selectedFiles.getLength(); i < n; i++) {
File selectedFile = selectedFiles.get(i);
if (selectedFile.isDirectory()) {
selectedDirectoryCount++;
}
}
if (!fileBrowser.isMultiSelect()) {
File selectedFile = fileBrowser.getSelectedFile();
if (selectedFile != null
&& !selectedFile.isDirectory()) {
saveAsTextInput.setText(selectedFile.getName());
}
}
updateOKButtonState();
}
});
fileBrowser.getComponentMouseButtonListeners().add(new ComponentMouseButtonListener.Adapter() {
private File file = null;
@Override
public boolean mouseClick(Component component, Mouse.Button button, int x, int y, int count) {
boolean consumed = super.mouseClick(component, button, x, y, count);
FileBrowserSheet.Mode mode = fileBrowserSheet.getMode();
if (count == 1) {
file = fileBrowser.getFileAt(x, y);
} else if (count == 2) {
File file = fileBrowser.getFileAt(x, y);
if (file != null
&& this.file != null
&& file.equals(this.file)
&& fileBrowser.isFileSelected(file)) {
if (mode == FileBrowserSheet.Mode.OPEN
|| mode == FileBrowserSheet.Mode.OPEN_MULTIPLE) {
if (!file.isDirectory()) {
fileBrowserSheet.close(true);
consumed = true;
}
}
}
}
return consumed;
}
});
okButton.getButtonPressListeners().add(new ButtonPressListener() {
@Override
public void buttonPressed(Button button) {
fileBrowserSheet.close(true);
}
});
cancelButton.getButtonPressListeners().add(new ButtonPressListener() {
@Override
public void buttonPressed(Button button) {
fileBrowserSheet.close(false);
}
});
// Add this as a file browser sheet listener
fileBrowserSheet.getFileBrowserSheetListeners().add(this);
modeChanged(fileBrowserSheet, null);
rootDirectoryChanged(fileBrowserSheet, null);
selectedFilesChanged(fileBrowserSheet, null);
}
public boolean isHideDisabledFiles() {
return (Boolean)fileBrowser.getStyles().get("hideDisabledFiles");
}
public void setHideDisabledFiles(boolean hideDisabledFiles) {
fileBrowser.getStyles().put("hideDisabledFiles", hideDisabledFiles);
}
public boolean getShowOKButtonFirst() {
Container parent = okButton.getParent();
return parent.indexOf(okButton) < parent.indexOf(cancelButton);
}
public void setShowOKButtonFirst(boolean showOKButtonFirst) {
if (showOKButtonFirst != getShowOKButtonFirst()) {
Container parent = okButton.getParent();
parent.remove(okButton);
parent.remove(cancelButton);
if (showOKButtonFirst) {
parent.add(okButton);
parent.add(cancelButton);
} else {
parent.add(cancelButton);
parent.add(okButton);
}
}
}
@Override
public void windowOpened(Window window) {
super.windowOpened(window);
window.requestFocus();
}
@Override
public Vote previewSheetClose(final Sheet sheet, final boolean result) {
Vote vote;
if (result
&& !okButton.isEnabled()) {
vote = Vote.DENY;
} else {
vote = super.previewSheetClose(sheet, result);
}
if (vote == Vote.APPROVE
&& result) {
updatingSelection = true;
FileBrowserSheet fileBrowserSheet = (FileBrowserSheet)sheet;
FileBrowserSheet.Mode mode = fileBrowserSheet.getMode();
switch (mode) {
case OPEN:
case OPEN_MULTIPLE:
case SAVE_TO: {
fileBrowserSheet.setSelectedFiles(fileBrowser.getSelectedFiles());
break;
}
case SAVE_AS: {
String fileName = saveAsTextInput.getText();
File selectedFile = new File(fileBrowser.getRootDirectory(), fileName);
fileBrowserSheet.setSelectedFiles(new ArrayList(selectedFile));
break;
}
}
updatingSelection = false;
}
return vote;
}
public void modeChanged(FileBrowserSheet fileBrowserSheet,
FileBrowserSheet.Mode previousMode) {
FileBrowserSheet.Mode mode = fileBrowserSheet.getMode();
fileBrowser.getStyles().put("keyboardFolderTraversalEnabled",
(mode != FileBrowserSheet.Mode.SAVE_TO));
switch (mode) {
case OPEN: {
saveAsBoxPane.setVisible(false);
fileBrowser.setMultiSelect(false);
break;
}
case OPEN_MULTIPLE: {
saveAsBoxPane.setVisible(false);
fileBrowser.setMultiSelect(true);
break;
}
case SAVE_AS: {
saveAsBoxPane.setVisible(true);
fileBrowser.setMultiSelect(false);
break;
}
case SAVE_TO: {
saveAsBoxPane.setVisible(false);
fileBrowser.setMultiSelect(false);
break;
}
}
updateDisabledFileFilter();
updateOKButtonState();
}
@Override
public void rootDirectoryChanged(FileBrowserSheet fileBrowserSheet,
File previousRootDirectory) {
if (!updatingSelection) {
fileBrowser.setRootDirectory(fileBrowserSheet.getRootDirectory());
}
}
@Override
public void selectedFilesChanged(FileBrowserSheet fileBrowserSheet,
Sequence previousSelectedFiles) {
if (!updatingSelection) {
Sequence selectedFiles = fileBrowserSheet.getSelectedFiles();
fileBrowser.setSelectedFiles(selectedFiles);
if (fileBrowser.getSelectedFiles().getLength() == 0
&& selectedFiles.getLength() == 1) {
// The file does not currently exist; set the file name in the
// text input if the parent directory is the same as the root
// directory
File selectedFile = selectedFiles.get(0);
File rootDirectory = fileBrowser.getRootDirectory();
if (rootDirectory.equals(selectedFile.getParentFile())) {
saveAsTextInput.setText(selectedFile.getName());
}
}
}
}
@Override
public void disabledFileFilterChanged(FileBrowserSheet fileBrowserSheet,
Filter previousDisabledFileFilter) {
updateDisabledFileFilter();
}
private void updateDisabledFileFilter() {
FileBrowserSheet fileBrowserSheet = (FileBrowserSheet)getComponent();
Filter disabledFileFilter = fileBrowserSheet.getDisabledFileFilter();
FileBrowserSheet.Mode mode = fileBrowserSheet.getMode();
if (mode == FileBrowserSheet.Mode.SAVE_TO) {
disabledFileFilter = new SaveToFileFilter(disabledFileFilter);
}
fileBrowser.setDisabledFileFilter(disabledFileFilter);
}
private void updateOKButtonState() {
FileBrowserSheet fileBrowserSheet = (FileBrowserSheet)getComponent();
FileBrowserSheet.Mode mode = fileBrowserSheet.getMode();
Sequence selectedFiles = fileBrowser.getSelectedFiles();
switch (mode) {
case OPEN:
case OPEN_MULTIPLE: {
okButton.setEnabled(selectedFiles.getLength() > 0
&& selectedDirectoryCount == 0);
break;
}
case SAVE_AS: {
okButton.setEnabled(saveAsTextInput.getCharacterCount() > 0);
break;
}
case SAVE_TO: {
okButton.setEnabled(selectedDirectoryCount > 0);
break;
}
}
}
}
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