processing/java/src/processing/mode/java/pdex/TabOutline.java at master · DINKIN/processing · GitHub

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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */

Part of the Processing project - http://processing.org

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();

}

processing/java/src/processing/mode/java/pdex/TabOutline.java at master · DINKIN/processing · GitHub

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