@Override
public void scrollDown(boolean wholeScreen) {
int topLine = commandLineText.getTopIndex();
if (wholeScreen) {
int bottomLine = commandLineText.getLineIndex(commandLineText.getBounds().y - 1);
int nLines = bottomLine - topLine;
commandLineText.setTopIndex(topLine + nLines);
} else {
// For some reason, getTopIndex() seems to return the second fully shown line... No +1
commandLineText.setTopIndex(topLine);
}
}
/**
* set text
*
* @param lines lines
* @param widgetLineNumbers number text widget
* @param widgetText text widget
* @param widgetHorizontalScrollBar horizontal scrollbar widget
* @param widgetVerticalScrollBar horizontal scrollbar widget
*/
private void setText(
String[] lines,
StyledText widgetLineNumbers,
StyledText widgetText,
ScrollBar widgetHorizontalScrollBar,
ScrollBar widgetVerticalScrollBar) {
if (!widgetLineNumbers.isDisposed()
&& !widgetText.isDisposed()
&& !widgetVerticalScrollBar.isDisposed()
&& !widgetHorizontalScrollBar.isDisposed()) {
StringBuilder lineNumbers = new StringBuilder();
StringBuilder text = new StringBuilder();
int lineNb = 1;
int maxWidth = 0;
// get text
for (String line : lines) {
lineNumbers.append(String.format("%d\n", lineNb));
lineNb++;
text.append(line);
text.append('\n');
maxWidth = Math.max(maxWidth, line.length());
}
// set text
widgetLineNumbers.setText(lineNumbers.toString());
widgetText.setText(text.toString());
widgetText.setCaretOffset(0);
// set scrollbars
widgetHorizontalScrollBar.setMinimum(0);
widgetHorizontalScrollBar.setMaximum(maxWidth);
widgetVerticalScrollBar.setMinimum(0);
widgetVerticalScrollBar.setMaximum(lineNb - 1);
// force redraw (Note: for some reason this is necessary to keep texts and scrollbars in sync)
widgetLineNumbers.redraw();
widgetText.redraw();
widgetLineNumbers.update();
widgetText.update();
// show top
widgetLineNumbers.setTopIndex(0);
widgetLineNumbers.setSelection(0);
widgetText.setTopIndex(0);
widgetText.setCaretOffset(0);
widgetVerticalScrollBar.setSelection(0);
}
}
@Override
public void setMode(CommandLineMode mode) {
if (mode == CommandLineMode.DEFAULT) {
commandLineText.setEditable(true);
if (registerModeSelection != null) {
commandLineText.replaceTextRange(registerModeSelection.x, 1, "");
commandLineText.setSelection(registerModeSelection);
registerModeSelection = null;
} else {
// Reset any selection made in a readonly mode, otherwise we need to check if
// cut/copy needs to be enabled.
commandLineText.setSelection(commandLineText.getCaretOffset());
}
readOnly = false;
} else if (mode == CommandLineMode.REGISTER) {
if (registerModeSelection == null) {
Point sel = commandLineText.getSelection();
int leftOffset = Math.min(sel.x, sel.y);
commandLineText.replaceTextRange(leftOffset, 0, "\"");
registerModeSelection = sel;
readOnly = true;
}
} else if (mode == CommandLineMode.MESSAGE || mode == CommandLineMode.MESSAGE_CLIPPED) {
commandLineText.setEditable(false);
setPosition(0);
commandLineText.setTopIndex(0);
readOnly = true;
pasteItem.setEnabled(false);
commandLineText.setWordWrap(mode == CommandLineMode.MESSAGE);
}
}
void executeCommand(String cmdLine) {
clearStatus();
IOSGiFrameworkConsole console =
(IOSGiFrameworkConsole)
getServer().getOriginal().loadAdapter(IOSGiFrameworkConsole.class, null);
if (console == null) {
IStatus status =
EditorUIPlugin.newErrorStatus("Console editor part is not integrated with the runtime.");
EditorUIPlugin.log(status);
setStatus(status);
return;
}
try {
String result = console.executeCommand(cmdLine);
manifestText.append("osgi> " + cmdLine + "\n");
manifestText.append(result + "\n");
forwardAction.setEnabled(history.canForward());
backAction.setEnabled(history.canBack());
toolBarManager.update(true);
manifestText.setTopIndex(manifestText.getLineCount() - 1);
} catch (CoreException e) {
EditorUIPlugin.log(e);
setStatus(
EditorUIPlugin.newErrorStatus("Failed to execute command. See Error Log for details."));
}
commandText.setText("");
}
/**
* search next text
*
* @param widgetText text widget
* @param widgetFind search text widget
*/
private void findNext(StyledText widgetText, Text widgetFind) {
if (!widgetText.isDisposed()) {
String findText = widgetFind.getText().toLowerCase();
if (!findText.isEmpty()) {
// get cursor position
int cursorIndex = widgetText.getCaretOffset();
// search
int offset = -1;
if (cursorIndex >= 0) {
String text = widgetText.getText();
offset =
(cursorIndex + 1 < text.length())
? text.substring(cursorIndex + 1).toLowerCase().indexOf(findText)
: -1;
}
if (offset >= 0) {
int index = cursorIndex + 1 + offset;
widgetText.setCaretOffset(index);
widgetText.setSelection(index);
widgetText.redraw();
int topIndex = widgetText.getTopIndex();
widgetLineNumbers.setTopIndex(topIndex);
widgetVerticalScrollBar.setSelection(topIndex);
} else {
Widgets.flash(widgetFind);
}
}
}
}
private void scrollToCaret() {
int caretOffset = currentText.getCaretOffset();
int lineIndex = currentText.getLineAtOffset(caretOffset);
int lineHeight = currentText.getLineHeight();
int linesVisible = currentText.getSize().y / lineHeight;
int lineMiddle = linesVisible / 2;
int lineTop = lineIndex - lineMiddle;
if (lineTop < 0) lineTop = 0;
currentText.setTopIndex(lineTop);
}
private void scrollToEnd() {
terminalText.setTopIndex(terminalText.getLineCount() - 1);
}