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.
*/
- File dir;
+ private File file;
+
+ /**
+ * 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
*/
@Override
public void onExpand() {
- if (dir == null) {
+ // 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)) {
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());
* @param view root TTreeView
* @param text text for this item
*/
- public TDirectoryTreeItem(final TTreeView view, final String text) {
+ public TDirectoryTreeItem(final TTreeView view,
+ final String text) throws IOException {
+
this(view, text, false, true);
}
* @param expanded if true, have it expanded immediately
*/
public TDirectoryTreeItem(final TTreeView view, final String text,
- final boolean expanded) {
+ final boolean expanded) throws IOException {
this(view, text, expanded, true);
}
* return the root path entry
*/
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;
+ // Convert to canonical path
+ File rootFile = new File(text);
+ rootFile = rootFile.getCanonicalFile();
+
if (openParents == true) {
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 == false);
+ 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()) {
+ 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();