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Highlight the words in finding and replacing them #8012

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Highlight the words in finding and replacing them #8012

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124 changes: 100 additions & 24 deletions app/src/cc/arduino/view/findreplace/FindReplace.java
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Original file line number Diff line number Diff line change
Expand Up @@ -33,14 +33,21 @@
import processing.app.Editor;
import processing.app.EditorTab;
import processing.app.helpers.OSUtils;
import processing.app.syntax.SketchTextArea;

import java.awt.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JPopupMenu;
import javax.swing.Action;
import javax.swing.text.DefaultEditorKit;
import javax.swing.text.BadLocationException;
import javax.swing.text.DefaultHighlighter;
import javax.swing.text.Highlighter;
import javax.swing.text.Highlighter.Highlight;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static processing.app.I18n.tr;
Expand Down Expand Up @@ -81,6 +88,10 @@ public void windowActivated(WindowEvent e) {
findField.requestFocusInWindow();
findField.selectAll();
}

public void windowDeactivated(WindowEvent windowEvent) {
clearHighlights();
}
});

restoreFindDialogState(state);
Expand Down Expand Up @@ -167,18 +178,18 @@ private void initComponents() {
JPopupMenu menu = new JPopupMenu();
Action cut = new DefaultEditorKit.CutAction();
cut.putValue(Action.NAME, tr("Cut"));
menu.add( cut );
menu.add(cut);

Action copy = new DefaultEditorKit.CopyAction();
copy.putValue(Action.NAME, tr("Copy"));
menu.add( copy );
menu.add(copy);

Action paste = new DefaultEditorKit.PasteAction();
paste.putValue(Action.NAME, tr("Paste"));
menu.add( paste );
menu.add(paste);

findField.setComponentPopupMenu( menu );
replaceField.setComponentPopupMenu( menu );
findField.setComponentPopupMenu(menu);
replaceField.setComponentPopupMenu(menu);

findButton.setText(tr("Find"));
findButton.addActionListener(new java.awt.event.ActionListener() {
Expand Down Expand Up @@ -303,38 +314,85 @@ private void replaceAllButtonActionPerformed(java.awt.event.ActionEvent evt) {//
private javax.swing.JCheckBox wrapAroundBox;
// End of variables declaration//GEN-END:variables

private List<Highlight> foundHighlights = new ArrayList<Highlight>();
private Highlight selectedHighlight = null;
private int selectedHighlightIndex = -1;
private String lastSearchText = "";
private String lastText = "";

private void clearHighlights() {
Highlighter highlighter = editor.getCurrentTab().getTextArea().getHighlighter();
for (Highlight highlight : foundHighlights) {
editor.getCurrentTab().getTextArea().getHighlighter().removeHighlight(highlight);
}
foundHighlights.clear();
selectedHighlight = null;
lastSearchText = "";
lastText = "";
}

private boolean find(boolean wrap, boolean backwards, boolean searchTabs, int originTab) {
String search = findField.getText();
String searchText = findField.getText();
int searchTextLength = searchText.length();

if (search.length() == 0) {
if (searchTextLength == 0) {
return false;
}

String text = editor.getCurrentTab().getText();
EditorTab currentTab = editor.getCurrentTab();
SketchTextArea textarea = currentTab.getTextArea();
String text = currentTab.getText();

if (ignoreCaseBox.isSelected()) {
search = search.toLowerCase();
searchText = searchText.toLowerCase();
text = text.toLowerCase();
}

int nextIndex;
// search all indexes
if (!lastSearchText.equals(searchText) || !lastText.equals(text)) {
clearHighlights();

int index = text.indexOf(searchText, 0);
while (index >= 0) {
int endIndex = index + searchTextLength;

try {
foundHighlights.add((Highlight)textarea.getHighlighter().addHighlight(index, endIndex,
new DefaultHighlighter.DefaultHighlightPainter(Color.yellow)));
} catch (BadLocationException e1) {
e1.printStackTrace();
}

index = text.indexOf(searchText, endIndex);
}

lastSearchText = searchText;
lastText = text;
}

Highlight nextHighlight = null;
if (!backwards) {
// int selectionStart = editor.textarea.getSelectionStart();
int selectionEnd = editor.getCurrentTab().getSelectionStop();

nextIndex = text.indexOf(search, selectionEnd);
for (Highlight h : foundHighlights) {
if (h.getStartOffset() < selectionEnd) {
continue;
}
nextHighlight = h;
break;
}
} else {
// int selectionStart = editor.textarea.getSelectionStart();
int selectionStart = editor.getCurrentTab().getSelectionStart() - 1;

if (selectionStart >= 0) {
nextIndex = text.lastIndexOf(search, selectionStart);
} else {
nextIndex = -1;
for (Highlight h : foundHighlights) {
if (h.getStartOffset() > selectionStart) {
break;
}
nextHighlight = h;
}
}

if (nextIndex == -1) {
if (nextHighlight == null) {
// Nothing found on this tab: Search other tabs if required
if (searchTabs) {
int numTabs = editor.getTabs().size();
Expand All @@ -353,6 +411,8 @@ private boolean find(boolean wrap, boolean backwards, boolean searchTabs, int or
}
}

clearHighlights();

if (backwards) {
editor.selectPrevTab();
this.setVisible(true);
Expand All @@ -370,15 +430,31 @@ private boolean find(boolean wrap, boolean backwards, boolean searchTabs, int or
}

if (wrap) {
nextIndex = backwards ? text.lastIndexOf(search) : text.indexOf(search, 0);
nextHighlight = backwards ? foundHighlights.get(foundHighlights.size() - 1) : foundHighlights.get(0);
}
}

if (nextIndex != -1) {
EditorTab currentTab = editor.getCurrentTab();
currentTab.getTextArea().getFoldManager().ensureOffsetNotInClosedFold(nextIndex);
currentTab.setSelection(nextIndex, nextIndex + search.length());
currentTab.getTextArea().getCaret().setSelectionVisible(true);
if (nextHighlight != null) {
Highlighter highlighter = textarea.getHighlighter();
int nextIndex = nextHighlight.getStartOffset();

try {
if (selectedHighlight != null) {
foundHighlights.add(selectedHighlightIndex, (Highlight)highlighter.addHighlight(selectedHighlight.getStartOffset(), selectedHighlight.getEndOffset(), selectedHighlight.getPainter()));
}
selectedHighlight = nextHighlight;
selectedHighlightIndex = foundHighlights.indexOf(selectedHighlight);
foundHighlights.remove(selectedHighlight);

highlighter.removeHighlight(selectedHighlight);

} catch (BadLocationException bl) {
bl.printStackTrace();
}

textarea.getFoldManager().ensureOffsetNotInClosedFold(nextIndex);
currentTab.setSelection(nextIndex, nextIndex + searchTextLength);
textarea.getCaret().setSelectionVisible(true);
return true;
}

Expand Down