import jexer.bits.CellAttributes;
import jexer.bits.GraphicsChars;
import jexer.event.TCommandEvent;
+import jexer.event.TKeypressEvent;
import jexer.event.TMouseEvent;
import jexer.event.TResizeEvent;
import static jexer.TCommand.*;
setupAfterEditor();
}
+ /**
+ * Public constructor opens a file.
+ *
+ * @param parent the main application
+ * @param file the file to open
+ * @throws IOException if a java.io operation throws
+ */
+ public TEditorWindow(final TApplication parent,
+ final File file) throws IOException {
+
+ super(parent, file.getName(), 0, 0, parent.getScreen().getWidth(),
+ parent.getScreen().getHeight() - 2, RESIZABLE);
+
+ filename = file.getName();
+ String contents = readFileData(file);
+ editField = addEditor(contents, 0, 0, getWidth() - 2, getHeight() - 2);
+ setupAfterEditor();
+ }
+
/**
* Public constructor.
*
this(parent, "New Text Document");
}
+ /**
+ * Read file data into a string.
+ *
+ * @param file the file to open
+ * @return the file contents
+ * @throws IOException if a java.io operation throws
+ */
+ private String readFileData(final File file) throws IOException {
+ StringBuilder fileContents = new StringBuilder();
+ Scanner scanner = new Scanner(file);
+ String EOL = System.getProperty("line.separator");
+
+ try {
+ while (scanner.hasNextLine()) {
+ fileContents.append(scanner.nextLine() + EOL);
+ }
+ return fileContents.toString();
+ } finally {
+ scanner.close();
+ }
+ }
+
+ /**
+ * Read file data into a string.
+ *
+ * @param filename the file to open
+ * @return the file contents
+ * @throws IOException if a java.io operation throws
+ */
+ private String readFileData(final String filename) throws IOException {
+ return readFileData(new File(filename));
+ }
+
/**
* Draw the window.
*/
* editor.
*
* @param mouse a mouse-based event
- * @return whether or not the mouse is on the emulator
+ * @return whether or not the mouse is on the editor
*/
private final boolean mouseOnEditor(final TMouseEvent mouse) {
if ((mouse.getAbsoluteX() >= getAbsoluteX() + 1)
*/
@Override
public void onMouseDown(final TMouseEvent mouse) {
+ // Use TWidget's code to pass the event to the children.
+ super.onMouseDown(mouse);
+
if (mouseOnEditor(mouse)) {
- editField.onMouseDown(mouse);
+ // The editor might have changed, update the scollbars.
setBottomValue(editField.getMaximumRowNumber());
setVerticalValue(editField.getEditingRowNumber());
setRightValue(editField.getMaximumColumnNumber());
setHorizontalValue(editField.getEditingColumnNumber());
} else {
- // Let the scrollbars get the event
- super.onMouseDown(mouse);
-
if (mouse.isMouseWheelUp() || mouse.isMouseWheelDown()) {
+ // Vertical scrollbar actions
+ editField.setEditingRowNumber(getVerticalValue());
+ }
+ }
+ }
+
+ /**
+ * Handle mouse release events.
+ *
+ * @param mouse mouse button release event
+ */
+ @Override
+ public void onMouseUp(final TMouseEvent mouse) {
+ // Use TWidget's code to pass the event to the children.
+ super.onMouseUp(mouse);
+
+ if (mouse.isMouse1() && mouseOnVerticalScroller(mouse)) {
+ // Clicked on vertical scrollbar
+ editField.setEditingRowNumber(getVerticalValue());
+ }
+
+ // TODO: horizontal scrolling
+ }
+
+ /**
+ * Method that subclasses can override to handle mouse movements.
+ *
+ * @param mouse mouse motion event
+ */
+ @Override
+ public void onMouseMotion(final TMouseEvent mouse) {
+ // Use TWidget's code to pass the event to the children.
+ super.onMouseMotion(mouse);
+
+ if (mouseOnEditor(mouse) && mouse.isMouse1()) {
+ // The editor might have changed, update the scollbars.
+ setBottomValue(editField.getMaximumRowNumber());
+ setVerticalValue(editField.getEditingRowNumber());
+ setRightValue(editField.getMaximumColumnNumber());
+ setHorizontalValue(editField.getEditingColumnNumber());
+ } else {
+ if (mouse.isMouse1() && mouseOnVerticalScroller(mouse)) {
+ // Clicked/dragged on vertical scrollbar
editField.setEditingRowNumber(getVerticalValue());
}
+
// TODO: horizontal scrolling
}
+
+ }
+
+ /**
+ * Handle keystrokes.
+ *
+ * @param keypress keystroke event
+ */
+ @Override
+ public void onKeypress(final TKeypressEvent keypress) {
+ // Use TWidget's code to pass the event to the children.
+ super.onKeypress(keypress);
+
+ // The editor might have changed, update the scollbars.
+ setBottomValue(editField.getMaximumRowNumber());
+ setVerticalValue(editField.getEditingRowNumber());
+ setRightValue(editField.getMaximumColumnNumber());
+ setHorizontalValue(editField.getEditingColumnNumber());
}
/**
if (command.equals(cmOpen)) {
try {
String filename = fileOpenBox(".");
- if (filename != null) {
- try {
- File file = new File(filename);
- StringBuilder fileContents = new StringBuilder();
- Scanner scanner = new Scanner(file);
- String EOL = System.getProperty("line.separator");
-
- try {
- while (scanner.hasNextLine()) {
- fileContents.append(scanner.nextLine() + EOL);
- }
- new TEditorWindow(getApplication(), filename,
- fileContents.toString());
- } finally {
- scanner.close();
- }
- } catch (IOException e) {
- // TODO: make this a message box
- e.printStackTrace();
- }
- }
+ if (filename != null) {
+ try {
+ String contents = readFileData(filename);
+ new TEditorWindow(getApplication(), filename, contents);
+ } catch (IOException e) {
+ messageBox("Error", "Error reading file: " +
+ e.getMessage());
+ }
+ }
} catch (IOException e) {
- // TODO: make this a message box
- e.printStackTrace();
+ messageBox("Error", "Error opening file dialog: " +
+ e.getMessage());
}
return;
}
try {
editField.saveToFilename(filename);
} catch (IOException e) {
- // TODO: make this a message box
- e.printStackTrace();
+ messageBox("Error", "Error saving file: " + e.getMessage());
}
}
return;
git://git.nikiroo.be / nikiroo-utils.git / blobdiff