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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2004-08 Ben Fry and Casey Reas
Copyright (c) 2001-04 Massachusetts Institute of Technology
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package processing.app;
import static processing.app.I18n._;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
/**
* Find & Replace window for the Processing editor.
* <p/>
* One major annoyance in this is that the window is re-created each time
* that "Find" is called. This is because Mac OS X has a strange focus
* issue with windows that are re-shown with setVisible() or show().
* requestFocusInWindow() properly sets the focus to the find field,
* however, just a short moment later, the focus is set to null. Even
* trying to catch this scenario and request it again doesn't seem to work.
* Most likely this is some annoyance buried deep in one of Apple's docs,
* or in the doc for the focus stuff (I tend to think the former because
* Windows doesn't seem to be quite so beligerent). Filed as
* <A HREF="http://dev.processing.org/bugs/show_bug.cgi?id=244"> Bug 244</A>
* should anyone have clues about how to fix.
*/
public class FindReplace extends JFrame implements ActionListener {
static final int EDGE = Base.isMacOS() ? 20 : 13;
static final int SMALL = 6;
static final int BUTTONGAP = 12; // 12 is correct for Mac, other numbers may be required for other platofrms
Editor editor;
JTextField findField;
JTextField replaceField;
static String findString;
static String replaceString;
JButton replaceButton;
JButton replaceAllButton;
JButton replaceFindButton;
JButton previousButton;
JButton findButton;
JCheckBox ignoreCaseBox;
static boolean ignoreCase = true;
JCheckBox wrapAroundBox;
static boolean wrapAround = true;
public FindReplace(Editor editor) {
super("Find");
setResizable(false);
this.editor = editor;
Container pain = getContentPane();
pain.setLayout(null);
JLabel findLabel = new JLabel(_("Find:"));
JLabel replaceLabel = new JLabel(_("Replace with:"));
Dimension labelDimension = replaceLabel.getPreferredSize();
pain.add(findLabel);
pain.add(replaceLabel);
pain.add(findField = new JTextField(20));
pain.add(replaceField = new JTextField(20));
int fieldHeight = findField.getPreferredSize().height;
if (findString != null) findField.setText(findString);
if (replaceString != null) replaceField.setText(replaceString);
//System.out.println("setting find str to " + findString);
//findField.requestFocusInWindow();
ignoreCaseBox = new JCheckBox(_("Ignore Case"));
ignoreCaseBox.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
ignoreCase = ignoreCaseBox.isSelected();
}
});
ignoreCaseBox.setSelected(ignoreCase);
pain.add(ignoreCaseBox);
wrapAroundBox = new JCheckBox(_("Wrap Around"));
wrapAroundBox.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
wrapAround = wrapAroundBox.isSelected();
}
});
wrapAroundBox.setSelected(wrapAround);
pain.add(wrapAroundBox);
JPanel buttons = new JPanel();
buttons.setLayout(new FlowLayout(FlowLayout.CENTER,BUTTONGAP,0));
// ordering is different on mac versus pc
if (Base.isMacOS()) {
buttons.add(replaceAllButton = new JButton(_("Replace All")));
buttons.add(replaceButton = new JButton(_("Replace")));
buttons.add(replaceFindButton = new JButton(_("Replace & Find")));
buttons.add(previousButton = new JButton(_("Previous")));
buttons.add(findButton = new JButton(_("Find")));
} else {
buttons.add(findButton = new JButton(_("Find")));
buttons.add(previousButton = new JButton(_("Previous"))); // is this the right position for non-Mac?
buttons.add(replaceFindButton = new JButton(_("Replace & Find")));
buttons.add(replaceButton = new JButton(_("Replace")));
buttons.add(replaceAllButton = new JButton(_("Replace All")));
}
pain.add(buttons);
// to fix ugliness.. normally macosx java 1.3 puts an
// ugly white border around this object, so turn it off.
if (Base.isMacOS()) {
buttons.setBorder(null);
}
/*
findField.addFocusListener(new FocusListener() {
public void focusGained(FocusEvent e) {
System.out.println("Focus gained " + e.getOppositeComponent());
}
public void focusLost(FocusEvent e) {
System.out.println("Focus lost "); // + e.getOppositeComponent());
if (e.getOppositeComponent() == null) {
requestFocusInWindow();
}
}
});
*/
Dimension buttonsDimension = buttons.getPreferredSize();
int visibleButtonWidth = buttonsDimension.width - 2 * BUTTONGAP;
int fieldWidth = visibleButtonWidth - (labelDimension.width + SMALL);
// +1 since it's better to tend downwards
int yoff = (1 + fieldHeight - labelDimension.height) / 2;
int ypos = EDGE;
int labelWidth = findLabel.getPreferredSize().width;
findLabel.setBounds(EDGE + (labelDimension.width-labelWidth), ypos + yoff, // + yoff was added to the wrong field
labelWidth, labelDimension.height);
findField.setBounds(EDGE + labelDimension.width + SMALL, ypos,
fieldWidth, fieldHeight);
ypos += fieldHeight + SMALL;
labelWidth = replaceLabel.getPreferredSize().width;
replaceLabel.setBounds(EDGE + (labelDimension.width-labelWidth), ypos + yoff,
labelWidth, labelDimension.height);
replaceField.setBounds(EDGE + labelDimension.width + SMALL, ypos,
fieldWidth, fieldHeight);
ypos += fieldHeight + SMALL;
ignoreCaseBox.setBounds(EDGE + labelDimension.width + SMALL,
ypos,
(fieldWidth-SMALL)/2, fieldHeight);
wrapAroundBox.setBounds(EDGE + labelDimension.width + SMALL + (fieldWidth-SMALL)/2 + SMALL,
ypos,
(fieldWidth-SMALL)/2, fieldHeight);
ypos += fieldHeight + SMALL;
buttons.setBounds(EDGE-BUTTONGAP, ypos,
buttonsDimension.width, buttonsDimension.height);
ypos += buttonsDimension.height + EDGE;
// Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
int wide = visibleButtonWidth + EDGE*2;
int high = ypos; // butt.y + butt.height + EDGE*2 + SMALL;
pack();
Insets insets = getInsets();
//System.out.println("Insets = " + insets);
setSize(wide + insets.left + insets.right,high + insets.top + insets.bottom);
setLocationRelativeTo( null ); // center
// setBounds((screen.width - wide) / 2, (screen.height - high) / 2, wide, high);
replaceButton.addActionListener(this);
replaceAllButton.addActionListener(this);
replaceFindButton.addActionListener(this);
findButton.addActionListener(this);
previousButton.addActionListener(this);
// you mustn't replace what you haven't found, my son
// semantics of replace are "replace the current selection with the replace field"
// so whether we have found before or not is irrelevent
// replaceButton.setEnabled(false);
// replaceFindButton.setEnabled(false);
// make the find button the blinky default
getRootPane().setDefaultButton(findButton);
setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
handleClose();
}
});
Base.registerWindowCloseKeys(getRootPane(), new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
//hide();
handleClose();
}
});
Base.setIcon(this);
// hack to to get first field to focus properly on osx
addWindowListener(new WindowAdapter() {
public void windowActivated(WindowEvent e) {
//System.out.println("activating");
/*boolean ok =*/ findField.requestFocusInWindow();
//System.out.println("got " + ok);
findField.selectAll();
}
});
}
public void handleClose() {
//System.out.println("handling close now");
findString = findField.getText();
replaceString = replaceField.getText();
// this object should eventually become dereferenced
setVisible(false);
}
/*
public void show() {
findField.requestFocusInWindow();
super.show();
//findField.selectAll();
//findField.requestFocus();
}
*/
public void actionPerformed(ActionEvent e) {
Object source = e.getSource();
if (source == findButton) {
findNext();
} else if (source == previousButton) {
findPrevious();
} else if (source == replaceFindButton) {
replaceAndFindNext();
} else if (source == replaceButton) {
replace();
} else if (source == replaceAllButton) {
replaceAll();
}
}
// look for the next instance of the find string to be found
// once found, select it (and go to that line)
private boolean find(boolean wrap,boolean backwards ) {
String search = findField.getText();
//System.out.println("finding for " + search + " " + findString);
// this will catch "find next" being called when no search yet
if (search.length() == 0) return false;
String text = editor.getText();
if (ignoreCase) {
search = search.toLowerCase();
text = text.toLowerCase();
}
int nextIndex;
if (!backwards) {
//int selectionStart = editor.textarea.getSelectionStart();
int selectionEnd = editor.getSelectionStop();
nextIndex = text.indexOf(search, selectionEnd);
if (wrap && nextIndex == -1) {
// if wrapping, a second chance is ok, start from beginning
nextIndex = text.indexOf(search, 0);
}
} else {
//int selectionStart = editor.textarea.getSelectionStart();
int selectionStart = editor.getSelectionStart()-1;
if ( selectionStart >= 0 ) {
nextIndex = text.lastIndexOf(search, selectionStart);
} else {
nextIndex = -1;
}
if (wrap && nextIndex == -1) {
// if wrapping, a second chance is ok, start from the end
nextIndex = text.lastIndexOf(search);
}
}
if (nextIndex != -1) {
editor.setSelection(nextIndex, nextIndex + search.length());
} else {
//Toolkit.getDefaultToolkit().beep();
}
return nextIndex != -1;
}
/**
* Replace the current selection with whatever's in the
* replacement text field.
*/
public void replace() {
editor.setSelectedText(replaceField.getText());
editor.getSketch().setModified(true); // TODO is this necessary?
}
/**
* Replace the current selection with whatever's in the
* replacement text field, and then find the next match
*/
public void replaceAndFindNext() {
replace();
findNext();
}
/**
* Replace everything that matches by doing find and replace
* alternately until nothing more found.
*/
public void replaceAll() {
// move to the beginning
editor.setSelection(0, 0);
boolean foundAtLeastOne = false;
while ( true ) {
if ( find(false,false) ) {
foundAtLeastOne = true;
replace();
} else {
break;
}
}
if ( !foundAtLeastOne ) {
Toolkit.getDefaultToolkit().beep();
}
}
public void setFindText( String t ) {
findField.setText( t );
findString = t;
}
public void findNext() {
if ( !find( wrapAround, false ) ) {
Toolkit.getDefaultToolkit().beep();
}
}
public void findPrevious() {
if ( !find( wrapAround, true ) ) {
Toolkit.getDefaultToolkit().beep();
}
}
}
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