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350 lines (275 loc) · 10.4 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) 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 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 BIG = 13;
static final int SMALL = 6;
Editor editor;
JTextField findField;
JTextField replaceField;
static String findString;
static String replaceString;
JButton replaceButton;
JButton replaceAllButton;
JButton replaceFindButton;
JButton findButton;
JCheckBox ignoreCaseBox;
static boolean ignoreCase = true;
/// true when there's something selected in the editor
boolean found;
public FindReplace(Editor editor) {
super("Find");
setResizable(false);
this.editor = editor;
Container pain = getContentPane();
pain.setLayout(null);
JLabel findLabel = new JLabel("Find:");
Dimension d0 = findLabel.getPreferredSize();
JLabel replaceLabel = new JLabel("Replace with:");
Dimension d1 = replaceLabel.getPreferredSize();
pain.add(findLabel);
pain.add(replaceLabel);
pain.add(findField = new JTextField(20));
pain.add(replaceField = new JTextField(20));
Dimension d2 = findField.getPreferredSize();
if (findString != null) findField.setText(findString);
if (replaceString != null) replaceField.setText(replaceString);
//System.out.println("setting find str to " + findString);
//findField.requestFocusInWindow();
//pain.setDefault
/*
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();
}
}
});
*/
// +1 since it's better to tend downwards
int yoff = (1 + d2.height - d1.height) / 2;
findLabel.setBounds(BIG + (d1.width-d0.width) + yoff, BIG,
d1.width, d1.height);
replaceLabel.setBounds(BIG, BIG + d2.height + SMALL + yoff,
d1.width, d1.height);
//ignoreCase = true;
ignoreCaseBox = new JCheckBox("Ignore Case");
ignoreCaseBox.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
ignoreCase = ignoreCaseBox.isSelected();
}
});
ignoreCaseBox.setSelected(ignoreCase);
pain.add(ignoreCaseBox);
//
JPanel buttons = new JPanel();
buttons.setLayout(new FlowLayout());
// 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(findButton = new JButton("Find"));
} else {
buttons.add(findButton = new JButton("Find"));
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);
}
Dimension d3 = buttons.getPreferredSize();
//buttons.setBounds(BIG, BIG + d2.height*2 + SMALL + BIG,
buttons.setBounds(BIG, BIG + d2.height*3 + SMALL*2 + BIG,
d3.width, d3.height);
//
findField.setBounds(BIG + d1.width + SMALL, BIG,
d3.width - (d1.width + SMALL), d2.height);
replaceField.setBounds(BIG + d1.width + SMALL, BIG + d2.height + SMALL,
d3.width - (d1.width + SMALL), d2.height);
ignoreCaseBox.setBounds(BIG + d1.width + SMALL,
BIG + d2.height*2 + SMALL*2,
d3.width, d2.height);
//
replaceButton.addActionListener(this);
replaceAllButton.addActionListener(this);
replaceFindButton.addActionListener(this);
findButton.addActionListener(this);
// you mustn't replace what you haven't found, my son
replaceButton.setEnabled(false);
replaceFindButton.setEnabled(false);
// so that typing will go straight to this field
//findField.requestFocus();
// make the find button the blinky default
getRootPane().setDefaultButton(findButton);
Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
int wide = d3.width + BIG*2;
Rectangle butt = buttons.getBounds(); // how big is your butt?
int high = butt.y + butt.height + BIG*2 + SMALL;
setBounds((screen.width - wide) / 2,
(screen.height - high) / 2, wide, high);
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) {
find(true);
} else if (source == replaceFindButton) {
replace();
find(true);
} else if (source == replaceButton) {
replace();
} else if (source == replaceAllButton) {
replaceAll();
}
}
// look for the next instance of the find string
// to be found later than the current caret selection
// once found, select it (and go to that line)
public void find(boolean wrap) {
// in case search len is zero,
// otherwise replace all will go into an infinite loop
found = false;
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;
String text = editor.getText();
if (ignoreCase) {
search = search.toLowerCase();
text = text.toLowerCase();
}
//int selectionStart = editor.textarea.getSelectionStart();
int selectionEnd = editor.getSelectionStop();
int nextIndex = text.indexOf(search, selectionEnd);
if (nextIndex == -1) {
if (wrap) {
// if wrapping, a second chance is ok, start from beginning
nextIndex = text.indexOf(search, 0);
}
if (nextIndex == -1) {
found = false;
replaceButton.setEnabled(false);
replaceFindButton.setEnabled(false);
//Toolkit.getDefaultToolkit().beep();
return;
}
}
found = true;
replaceButton.setEnabled(true);
replaceFindButton.setEnabled(true);
editor.setSelection(nextIndex, nextIndex + search.length());
}
/**
* Replace the current selection with whatever's in the
* replacement text field.
*/
public void replace() {
if (!found) return; // don't replace if nothing found
// check to see if the document has wrapped around
// otherwise this will cause an infinite loop
String sel = editor.getSelectedText();
if (sel.equals(replaceField.getText())) {
found = false;
replaceButton.setEnabled(false);
replaceFindButton.setEnabled(false);
return;
}
editor.setSelectedText(replaceField.getText());
//editor.setSketchModified(true);
//editor.sketch.setCurrentModified(true);
editor.getSketch().setModified(true); // TODO is this necessary?
// don't allow a double replace
replaceButton.setEnabled(false);
replaceFindButton.setEnabled(false);
}
/**
* 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);
do {
find(false);
replace();
} while (found);
}
}
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