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TabOutline.java
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349 lines (304 loc) · 12.2 KB
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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2012-15 The Processing Foundation
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.
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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package processing.mode.java.pdex;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.FontMetrics;
import java.awt.GridBagLayout;
import java.awt.Point;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowEvent;
import java.awt.event.WindowFocusListener;
import javax.swing.BoxLayout;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import javax.swing.JTree;
import javax.swing.ScrollPaneConstants;
import javax.swing.SwingWorker;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreeSelectionModel;
import processing.app.SketchCode;
import processing.mode.java.JavaEditor;
public class TabOutline {
protected JFrame frmOutlineView;
protected JScrollPane jsp;
protected DefaultMutableTreeNode tabNode;
protected DefaultMutableTreeNode tempNode;
protected JTree tabTree;
protected JTextField searchField;
protected JLabel lblCaption;
protected JavaEditor editor;
protected ErrorCheckerService errorCheckerService;
protected boolean internalSelection = false;
public TabOutline(ErrorCheckerService ecs) {
errorCheckerService = ecs;
editor = ecs.getEditor();
createGUI();
}
private void createGUI() {
frmOutlineView = new JFrame();
frmOutlineView.setAlwaysOnTop(true);
frmOutlineView.setUndecorated(true);
Point tp = errorCheckerService.getEditor().getTextArea().getLocationOnScreen();
lblCaption = new JLabel("Tabs List (type to filter)");
int minWidth = estimateFrameWidth();
int maxWidth = (int) (editor.getMinimumSize().width * 0.9f);
frmOutlineView.setLayout(new BoxLayout(frmOutlineView.getContentPane(),
BoxLayout.Y_AXIS));
JPanel panelTop = new JPanel(), panelMiddle = new JPanel(), panelBottom = new JPanel();
panelTop.setLayout(new GridBagLayout());
panelMiddle.setLayout(new BoxLayout(panelMiddle, BoxLayout.Y_AXIS));
panelBottom.setLayout(new BoxLayout(panelBottom, BoxLayout.Y_AXIS));
lblCaption.setAlignmentX(Component.LEFT_ALIGNMENT);
panelTop.add(lblCaption);
searchField = new JTextField();
searchField.setMinimumSize(new Dimension(minWidth, 25));
panelMiddle.add(searchField);
jsp = new JScrollPane();
populateTabTree();
jsp.setViewportView(tabTree);
jsp.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED);
jsp.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
jsp.setMinimumSize(new Dimension(minWidth, editor.getTextArea().getHeight() - 10));
jsp.setMaximumSize(new Dimension(maxWidth, editor.getTextArea().getHeight() - 10));
panelBottom.add(jsp);
frmOutlineView.add(panelTop);
frmOutlineView.add(panelMiddle);
frmOutlineView.add(panelBottom);
frmOutlineView.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frmOutlineView.pack();
frmOutlineView.setBounds(tp.x + errorCheckerService.getEditor().getTextArea().getWidth() - minWidth,
tp.y,
minWidth,
estimateFrameHeight());
frmOutlineView.setMinimumSize(new Dimension(minWidth, Math
.min(errorCheckerService.getEditor().getTextArea().getHeight(),
frmOutlineView.getHeight())));
frmOutlineView.setLocation(tp.x + errorCheckerService.getEditor().getTextArea().getWidth()/2 - frmOutlineView.getWidth()/2,
frmOutlineView.getY() + (editor.getTextArea().getHeight() - frmOutlineView.getHeight()) / 2);
DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer) tabTree.getCellRenderer();
renderer.setLeafIcon(null);
renderer.setClosedIcon(null);
renderer.setOpenIcon(null);
addListeners();
}
private void addListeners() {
searchField.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent evt) {
if (tabTree.getRowCount() == 0)
return;
internalSelection = true;
if (evt.getKeyCode() == KeyEvent.VK_ESCAPE) {
close();
} else if (evt.getKeyCode() == KeyEvent.VK_ENTER) {
if (tabTree.getLastSelectedPathComponent() != null) {
DefaultMutableTreeNode tnode = (DefaultMutableTreeNode) tabTree
.getLastSelectedPathComponent();
//log("Enter Key, Tab: " + tnode);
switchToTab(tnode.toString());
close();
}
} else if (evt.getKeyCode() == KeyEvent.VK_UP) {
if (tabTree.getLastSelectedPathComponent() == null) {
tabTree.setSelectionRow(0);
return;
}
int x = tabTree.getLeadSelectionRow() - 1;
int step = jsp.getVerticalScrollBar().getMaximum()
/ tabTree.getRowCount();
if (x == -1) {
x = tabTree.getRowCount() - 1;
jsp.getVerticalScrollBar().setValue(jsp.getVerticalScrollBar()
.getMaximum());
} else {
jsp.getVerticalScrollBar().setValue((jsp.getVerticalScrollBar()
.getValue() - step));
}
tabTree.setSelectionRow(x);
} else if (evt.getKeyCode() == KeyEvent.VK_DOWN) {
if (tabTree.getLastSelectedPathComponent() == null) {
tabTree.setSelectionRow(0);
return;
}
int x = tabTree.getLeadSelectionRow() + 1;
int step = jsp.getVerticalScrollBar().getMaximum()
/ tabTree.getRowCount();
if (x == tabTree.getRowCount()) {
x = 0;
jsp.getVerticalScrollBar().setValue(jsp.getVerticalScrollBar()
.getMinimum());
} else {
jsp.getVerticalScrollBar().setValue((jsp.getVerticalScrollBar()
.getValue() + step));
}
tabTree.setSelectionRow(x);
}
}
});
searchField.getDocument().addDocumentListener(new DocumentListener() {
public void insertUpdate(DocumentEvent e) {
updateSelection();
}
public void removeUpdate(DocumentEvent e) {
updateSelection();
}
public void changedUpdate(DocumentEvent e) {
updateSelection();
}
private void updateSelection() {
SwingWorker<Object, Object> worker = new SwingWorker<Object, Object>() {
protected Object doInBackground() throws Exception {
String text = searchField.getText().toLowerCase();
tempNode = new DefaultMutableTreeNode();
filterTree(text, tempNode, tabNode);
return null;
}
protected void done() {
tabTree.setModel(new DefaultTreeModel(tempNode));
((DefaultTreeModel) tabTree.getModel()).reload();
// for (int i = 0; i < tabTree.getRowCount(); i++) {
// tabTree.expandRow(i);
// }
internalSelection = true;
tabTree.setSelectionRow(0);
}
};
worker.execute();
}
});
tabTree.addTreeSelectionListener(new TreeSelectionListener() {
public void valueChanged(TreeSelectionEvent e) {
if (internalSelection) {
//log("Internal selection");
internalSelection = (false);
return;
}
// log(e);
SwingWorker<Object, Object> worker = new SwingWorker<Object, Object>() {
protected Object doInBackground() throws Exception {
return null;
}
protected void done() {
if (tabTree.getLastSelectedPathComponent() == null) {
return;
}
DefaultMutableTreeNode tnode = (DefaultMutableTreeNode) tabTree
.getLastSelectedPathComponent();
//log("Clicked " + tnode);
switchToTab(tnode.toString());
close();
}
};
worker.execute();
}
});
tabTree.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent me) {
if (tabTree.getLastSelectedPathComponent() == null) {
return;
}
DefaultMutableTreeNode tnode =
(DefaultMutableTreeNode) tabTree.getLastSelectedPathComponent();
//log("Clicked " + tnode);
switchToTab(tnode.toString());
close();
}
});
frmOutlineView.addWindowFocusListener(new WindowFocusListener() {
public void windowLostFocus(WindowEvent e) {
close();
}
public void windowGainedFocus(WindowEvent e) {
}
});
}
private void switchToTab(String tabName) {
for (SketchCode sc : editor.getSketch().getCode()) {
if (sc.getPrettyName().equals(tabName)) {
editor.getSketch().setCurrentCode(editor.getSketch().getCodeIndex(sc));
}
}
}
private void populateTabTree() {
tabNode = new DefaultMutableTreeNode("Tabs");
for (SketchCode sc : editor.getSketch().getCode()) {
DefaultMutableTreeNode tab = new DefaultMutableTreeNode(
sc.getPrettyName());
tabNode.add(tab);
}
tempNode = tabNode;
tabTree = new JTree(tabNode);
tabTree.getSelectionModel()
.setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
tabTree.setRootVisible(false);
tabTree.setSelectionRow(editor.getSketch().getCurrentCodeIndex());
}
protected boolean filterTree(String prefix, DefaultMutableTreeNode tree,
DefaultMutableTreeNode mainTree) {
if (mainTree.isLeaf()) {
return (mainTree.getUserObject().toString().toLowerCase()
.startsWith(prefix));
}
boolean found = false;
for (int i = 0; i < mainTree.getChildCount(); i++) {
DefaultMutableTreeNode tNode = new DefaultMutableTreeNode(
((DefaultMutableTreeNode) mainTree
.getChildAt(i))
.getUserObject());
if (filterTree(prefix, tNode,
(DefaultMutableTreeNode) mainTree.getChildAt(i))) {
found = true;
tree.add(tNode);
}
}
return found;
}
private int estimateFrameWidth() {
FontMetrics fm = editor.getTextArea().getGraphics().getFontMetrics();
int w = fm.stringWidth(lblCaption.getText()) + 10;
for (int i = 0; i < editor.getSketch().getCodeCount(); i++) {
w = Math.max(w, fm.stringWidth(editor.getSketch().getCode(i).getPrettyName()) + 10);
}
return w;
}
private int estimateFrameHeight() {
int textHeight = jsp.getGraphics().getFontMetrics().getHeight() + 2;
int t = Math.max(4, editor.getSketch().getCodeCount() + 3);
return Math.min(textHeight * t, frmOutlineView.getHeight());
}
public void show() {
frmOutlineView.setVisible(true);
}
public void close() {
frmOutlineView.setVisible(false);
frmOutlineView.dispose();
}
public boolean isVisible() {
return frmOutlineView.isVisible();
}
}