-/**
+/*
* Jexer - Java Text User Interface
*
- * License: LGPLv3 or later
- *
- * This module is licensed under the GNU Lesser General Public License
- * Version 3. Please see the file "COPYING" in this directory for more
- * information about the GNU Lesser General Public License Version 3.
+ * The MIT License (MIT)
*
- * Copyright (C) 2015 Kevin Lamonte
+ * Copyright (C) 2017 Kevin Lamonte
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 3 of
- * the License, or (at your option) any later version.
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
*
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see
- * http://www.gnu.org/licenses/, or write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
*
* @author Kevin Lamonte [kevin.lamonte@gmail.com]
* @version 1
package jexer;
import java.io.File;
+import java.io.IOException;
import java.util.Collections;
import java.util.List;
import java.util.LinkedList;
public class TDirectoryTreeItem extends TTreeItem {
/**
- * Directory entry corresponding to this list item.
+ * File corresponding to this list item.
+ */
+ private File file;
+
+ /**
+ * Get the File corresponding to this list item.
+ *
+ * @return the File
*/
- File dir;
+ public final File getFile() {
+ return file;
+ }
/**
* Called when this item is expanded or collapsed. this.expanded will be
* true if this item was just expanded from a mouse click or keypress.
*/
@Override
- public void onExpand() {
- if (dir == null) {
+ public final void onExpand() {
+ // System.err.printf("onExpand() %s\n", file);
+
+ if (file == null) {
return;
}
getChildren().clear();
// Make sure we can read it before trying to.
- if (dir.canRead()) {
+ if (file.canRead()) {
setSelectable(true);
} else {
setSelectable(false);
}
- assert (dir.isDirectory());
+ assert (file.isDirectory());
setExpandable(true);
- if ((isExpanded() == false) || (isExpandable() == false)) {
- getTreeView().reflow();
+ if (!isExpanded() || !isExpandable()) {
+ getTreeView().reflowData();
return;
}
- // Refresh my child list
- for (File file: dir.listFiles()) {
- if (file.getName().equals(".")) {
+ for (File f: file.listFiles()) {
+ // System.err.printf(" -> file %s %s\n", file, file.getName());
+
+ if (f.getName().startsWith(".")) {
+ // Hide dot-files
continue;
}
- if (!file.isDirectory()) {
+ if (!f.isDirectory()) {
continue;
}
- TDirectoryTreeItem item = new TDirectoryTreeItem(getTreeView(),
- file.getName(), false, false);
+ try {
+ TDirectoryTreeItem item = new TDirectoryTreeItem(getTreeView(),
+ f.getCanonicalPath(), false, false);
- item.level = this.level + 1;
- getChildren().add(item);
+ item.level = this.level + 1;
+ getChildren().add(item);
+ } catch (IOException e) {
+ continue;
+ }
}
Collections.sort(getChildren());
- getTreeView().reflow();
+ getTreeView().reflowData();
}
/**
* @throws IllegalArgumentException if this function is called
*/
@Override
- public final TTreeItem addChild(final String text, final boolean expanded) {
+ public final TTreeItem addChild(final String text,
+ final boolean expanded) throws IllegalArgumentException {
+
throw new IllegalArgumentException("Do not call addChild(), use onExpand() instead");
}
*
* @param view root TTreeView
* @param text text for this item
+ * @throws IOException if a java.io operation throws
*/
- public TDirectoryTreeItem(final TTreeView view, final String text) {
+ public TDirectoryTreeItem(final TTreeView view,
+ final String text) throws IOException {
+
this(view, text, false, true);
}
* @param view root TTreeView
* @param text text for this item
* @param expanded if true, have it expanded immediately
+ * @throws IOException if a java.io operation throws
*/
public TDirectoryTreeItem(final TTreeView view, final String text,
- final boolean expanded) {
+ final boolean expanded) throws IOException {
this(view, text, expanded, true);
}
* @param expanded if true, have it expanded immediately
* @param openParents if true, expand all paths up the root path and
* return the root path entry
+ * @throws IOException if a java.io operation throws
*/
public TDirectoryTreeItem(final TTreeView view, final String text,
- final boolean expanded, final boolean openParents) {
+ final boolean expanded, final boolean openParents) throws IOException {
super(view, text, false);
- List<TDirectoryTreeItem> parentItems = new LinkedList<TDirectoryTreeItem>();
- List<String> parentPaths = new LinkedList<String>();
+ List<String> parentFiles = new LinkedList<String>();
boolean oldExpanded = expanded;
- if (openParents == true) {
+ // Convert to canonical path
+ File rootFile = new File(text);
+ rootFile = rootFile.getCanonicalFile();
+
+ if (openParents) {
setExpanded(true);
// Go up the directory tree
- File rootPath = new File(text);
- File parent = rootPath.getParentFile();
+ File parent = rootFile.getParentFile();
while (parent != null) {
- parentPaths.add(rootPath.getName());
- rootPath = rootPath.getParentFile();
- parent = rootPath.getParentFile();
+ parentFiles.add(rootFile.getName());
+ rootFile = rootFile.getParentFile();
+ parent = rootFile.getParentFile();
}
- setText(rootPath.getName());
+ }
+ file = rootFile;
+ if (rootFile.getParentFile() == null) {
+ // This is a filesystem root, use its full name
+ setText(rootFile.getCanonicalPath());
} else {
- setText(text);
+ // This is a relative path. We got here because openParents was
+ // false.
+ assert (!openParents);
+ setText(rootFile.getName());
}
-
- dir = new File(getText());
onExpand();
- if (openParents == true) {
- TDirectoryTreeItem childPath = this;
- Collections.reverse(parentPaths);
- for (String p: parentPaths) {
- for (TWidget widget: childPath.getChildren()) {
+ if (openParents) {
+ TDirectoryTreeItem childFile = this;
+ Collections.reverse(parentFiles);
+ for (String p: parentFiles) {
+ for (TWidget widget: childFile.getChildren()) {
TDirectoryTreeItem child = (TDirectoryTreeItem) widget;
if (child.getText().equals(p)) {
- childPath = child;
- childPath.setExpanded(true);
- childPath.onExpand();
+ childFile = child;
+ childFile.setExpanded(true);
+ childFile.onExpand();
break;
}
}
}
unselect();
- getTreeView().setSelected(childPath);
+ getTreeView().setSelected(childFile);
setExpanded(oldExpanded);
}
- getTreeView().reflow();
+ getTreeView().reflowData();
}
}