+++ /dev/null
-/*
- * Jexer - Java Text User Interface
- *
- * The MIT License (MIT)
- *
- * Copyright (C) 2019 Kevin Lamonte
- *
- * 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:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * 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.ttree;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.Collections;
-import java.util.List;
-import java.util.LinkedList;
-
-import jexer.TWidget;
-
-/**
- * TDirectoryTreeItem is a single item in a disk directory tree view.
- */
-public class TDirectoryTreeItem extends TTreeItem {
-
- // ------------------------------------------------------------------------
- // Variables --------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * File corresponding to this list item.
- */
- private File file;
-
- /**
- * The TTreeViewWidget containing this directory tree.
- */
- private TTreeViewWidget treeViewWidget;
-
- // ------------------------------------------------------------------------
- // Constructors -----------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Public constructor.
- *
- * @param view root TTreeViewWidget
- * @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 TTreeViewWidget view, final String text,
- final boolean expanded) throws IOException {
-
- this(view, text, expanded, true);
- }
-
- /**
- * Public constructor.
- *
- * @param view root TTreeViewWidget
- * @param text text for this item
- * @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 TTreeViewWidget view, final String text,
- final boolean expanded, final boolean openParents) throws IOException {
-
- super(view.getTreeView(), text, false);
-
- this.treeViewWidget = view;
-
- List<String> parentFiles = new LinkedList<String>();
- boolean oldExpanded = expanded;
-
- // Convert to canonical path
- File rootFile = new File(text);
- rootFile = rootFile.getCanonicalFile();
-
- if (openParents) {
- setExpanded(true);
-
- // Go up the directory tree
- File parent = rootFile.getParentFile();
- while (parent != null) {
- parentFiles.add(rootFile.getName());
- rootFile = rootFile.getParentFile();
- parent = rootFile.getParentFile();
- }
- }
- file = rootFile;
- if (rootFile.getParentFile() == null) {
- // This is a filesystem root, use its full name
- setText(rootFile.getCanonicalPath());
- } else {
- // This is a relative path. We got here because openParents was
- // false.
- assert (!openParents);
- setText(rootFile.getName());
- }
- onExpand();
-
- 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)) {
- childFile = child;
- childFile.setExpanded(true);
- childFile.onExpand();
- break;
- }
- }
- }
- unselect();
- getTreeView().setSelected(childFile, true);
- setExpanded(oldExpanded);
- }
-
- view.reflowData();
- }
-
- // ------------------------------------------------------------------------
- // TTreeItem --------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Get the File corresponding to this list item.
- *
- * @return the File
- */
- 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 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 (file.canRead()) {
- setSelectable(true);
- } else {
- setSelectable(false);
- }
- assert (file.isDirectory());
- setExpandable(true);
-
- if (!isExpanded() || !isExpandable()) {
- return;
- }
-
- File [] listFiles = file.listFiles();
- if (listFiles != null) {
- for (File f: listFiles) {
- // System.err.printf(" -> file %s %s\n", file, file.getName());
-
- if (f.getName().startsWith(".")) {
- // Hide dot-files
- continue;
- }
- if (!f.isDirectory()) {
- continue;
- }
-
- try {
- TDirectoryTreeItem item = new TDirectoryTreeItem(treeViewWidget,
- f.getCanonicalPath(), false, false);
-
- item.level = this.level + 1;
- getChildren().add(item);
- } catch (IOException e) {
- continue;
- }
- }
- }
- Collections.sort(getChildren());
- }
-
-}
git://git.nikiroo.be / fanfix.git / blobdiff