-/**
+/*
* 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
/**
* Set the displayable text for this item.
*
- * @param the displayable text for this item
+ * @param text the displayable text for this item
*/
public final void setText(final String text) {
this.text = text;
*
* @param expanded new value
*/
- public final void setExpanded(boolean expanded) {
+ public final void setExpanded(final boolean expanded) {
this.expanded = expanded;
}
*
* @param expandable new value
*/
- public final void setExpandable(boolean expandable) {
+ public final void setExpandable(final boolean expandable) {
this.expandable = expandable;
}
*
* @param invisible new value
*/
- public final void setInvisible(boolean invisible) {
+ public final void setInvisible(final boolean invisible) {
this.invisible = invisible;
}
*
* @param selected new value
*/
- public final void setSelected(boolean selected) {
+ public final void setSelected(final boolean selected) {
this.selected = selected;
}
*
* @param selectable new value
*/
- public final void setSelectable(boolean selectable) {
+ public final void setSelectable(final boolean selectable) {
this.selectable = selectable;
}
+ /**
+ * Pointer to the previous keyboard-navigable item (kbUp). Note package
+ * private access.
+ */
+ TTreeItem keyboardPrevious = null;
+
+ /**
+ * Pointer to the next keyboard-navigable item (kbDown). Note package
+ * private access.
+ */
+ TTreeItem keyboardNext = null;
+
/**
* Public constructor.
*
/**
* Recursively expand the tree into a linear array of items.
*
- * @param prefix = vertical bar of parent levels and such that is set on
+ * @param prefix vertical bar of parent levels and such that is set on
* each child
- * @param last = if true, this is the "last" leaf node of a tree
- * @param additional items to add to the array
+ * @param last if true, this is the "last" leaf node of a tree
+ * @return additional items to add to the array
*/
public List<TTreeItem> expandTree(final String prefix, final boolean last) {
List<TTreeItem> array = new ArrayList<TTreeItem>();
this.prefix = prefix;
array.add(this);
- if ((getChildren().size() == 0) || (expanded == false)) {
+ if ((getChildren().size() == 0) || !expanded) {
return array;
}
*/
@Override
public void onMouseUp(final TMouseEvent mouse) {
- if ((mouse.getX() == (getExpanderX() - view.hScroller.getValue()))
+ if ((mouse.getX() == (getExpanderX() - view.getHScroller().getValue()))
&& (mouse.getY() == 0)
) {
if (selectable) {
}
}
+ /**
+ * Handle keystrokes.
+ *
+ * @param keypress keystroke event
+ */
+ @Override
+ public void onKeypress(final TKeypressEvent keypress) {
+ if (keypress.equals(kbLeft)
+ || keypress.equals(kbRight)
+ || keypress.equals(kbSpace)
+ ) {
+ if (selectable) {
+ // Flip expanded flag
+ expanded = !expanded;
+ if (expanded == false) {
+ // Unselect children that became invisible
+ unselect();
+ }
+ view.setSelected(this);
+ }
+ // Let subclasses do something with this
+ onExpand();
+ } else {
+ // Pass other keys (tab etc.) on to TWidget's handler.
+ super.onKeypress(keypress);
+ }
+ }
+
/**
* Draw this item to a window.
*/
return;
}
- int offset = -view.hScroller.getValue();
+ int offset = -view.getHScroller().getValue();
CellAttributes color = getTheme().getColor("ttreeview");
CellAttributes textColor = getTheme().getColor("ttreeview");
// Blank out the background
getScreen().hLineXY(0, 0, getWidth(), ' ', color);
- int expandX = 0;
String line = prefix;
if (level > 0) {
if (last) {
line += "[ ] ";
}
}
- getScreen().putStrXY(offset, 0, line, color);
+ getScreen().putStringXY(offset, 0, line, color);
if (selected) {
- getScreen().putStrXY(offset + line.length(), 0, text,
+ getScreen().putStringXY(offset + line.length(), 0, text,
selectedColor);
} else {
- getScreen().putStrXY(offset + line.length(), 0, text, textColor);
+ getScreen().putStringXY(offset + line.length(), 0, text, textColor);
}
if ((level > 0) && (expandable)) {
if (expanded) {