/**
* ************************************************************************* Shows a prompt
* prepared to receive an answer (controlling GUI)
* ************************************************************************
*/
private void promptAsControlling() {
boolean defaultOptionSet = false;
if (m_promptData.isList()) {
m_expected = m_promptData.getExpected();
m_numericInput = false;
// Set the prompt text
m_promptText.setText(m_promptData.getText());
// Adjust the height and visibility of scroll bar depending on
// the control doing text wrapping or not
int areaWidth = m_promptText.getClientArea().width;
GC gc = new GC(m_promptText);
int textWidth = gc.getFontMetrics().getAverageCharWidth() * m_promptText.getText().length();
boolean wrapping = textWidth >= areaWidth;
gc.dispose();
m_promptText.getVerticalBar().setVisible(wrapping);
if (wrapping) {
GridData gd = (GridData) m_promptText.getLayoutData();
gd.heightHint = 45;
layout();
}
m_promptDisplayType = m_promptData.getPromptDisplayType();
// Build the option list and show the option composite
defaultOptionSet =
updateOptions(
m_promptData.getOptions(), m_promptData.getExpected(), m_promptData.getDefault());
if (defaultOptionSet) {
m_textInput.setValue(m_promptData.getDefault());
}
} else {
// Not a List
m_expected = null;
m_promptText.setText(m_promptData.getText());
m_numericInput = m_promptData.isNumeric();
if (!m_promptData.getDefault().isEmpty()) {
m_textInput.setValue(m_promptData.getDefault());
defaultOptionSet = true;
}
}
setHint();
if (defaultOptionSet) {
// If we have a default option preselected, enable the controls
m_commitButton.setEnabled(true);
m_resetButton.setEnabled(true);
} else {
// Reset the console input
m_textInput.reset();
}
// Set the focus, highlighting
m_textInput.promptStart();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.fieldassist.IControlContentAdapter#getInsertionBounds(org.eclipse.swt.widgets.Control)
*/
public Rectangle getInsertionBounds(Control control) {
Text text = (Text) control;
Point caretOrigin = text.getCaretLocation();
// We fudge the y pixels due to problems with getCaretLocation
// See https://bugs.eclipse.org/bugs/show_bug.cgi?id=52520
return new Rectangle(
caretOrigin.x + text.getClientArea().x,
caretOrigin.y + text.getClientArea().y + 3,
1,
text.getLineHeight());
}
/** Expand/contract all blocks currently on screen */
public void expandPage(boolean state) {
// Get all the information about which part of the text window is
// visible
int topLine = m_Text.getTopIndex();
int lineHeight = m_Text.getLineHeight();
int visibleLines = m_Text.getClientArea().height / lineHeight;
int lastLine = Math.min(m_Text.getLineCount(), m_Text.getTopIndex() + visibleLines);
boolean atBottom = (lastLine == m_Text.getLineCount());
// Start with the first block that starts at topLine or includes
// topLine.
Block topBlock = m_FoldingDoc.getBlockByLineNumber(topLine);
Block bottomBlock = m_FoldingDoc.getBlockByLineNumber(lastLine);
if (topBlock == null) return;
// Stop redrawing while we expand/collapse everything then turn it back
// on
setRedraw(false);
// If the lastLine is after the bottom block, use the last block in the
// document
if (bottomBlock == null)
bottomBlock = m_FoldingDoc.getBlock(m_FoldingDoc.getNumberBlocks() - 1);
int topIndex = topBlock.getIndex();
int bottomIndex = bottomBlock.getIndex();
for (int i = topIndex; i <= bottomIndex; i++) {
Block block = m_FoldingDoc.getBlock(i);
m_FoldingDoc.expandBlock(block, state);
}
// If the selection was set to the bottom before we expanded make sure
// it stays there after the expansion.
if (state && atBottom) scrollBottom();
// Redraw everything
setRedraw(true);
}
protected void paintIcons(PaintEvent e) {
// Check if we've turned off redraws
if (m_DrawingDisabled) return;
GC gc = e.gc;
Rectangle client = m_IconBar.getClientArea();
// Make sure the text control is properly initialized
if (m_Text.getLineHeight() == 0) return;
// Get all the information about which part of the text window is
// visible
int topLine = m_Text.getTopIndex();
int lineHeight = m_Text.getLineHeight();
int visibleLines = m_Text.getClientArea().height / lineHeight;
int lastLine = Math.min(m_Text.getLineCount(), m_Text.getTopIndex() + visibleLines);
// Start with the first block that starts at topLine or includes
// topLine.
Block topBlock = m_FoldingDoc.getBlockByLineNumber(topLine);
int blockCount = m_FoldingDoc.getNumberBlocks();
if (topBlock == null) return;
int blockIndex = topBlock.getIndex();
int outerSize = 9;
int innerSize = 6;
int offset = (outerSize - innerSize) / 2 + 1;
Color gray = m_IconBar.getDisplay().getSystemColor(SWT.COLOR_GRAY);
Color black = m_IconBar.getDisplay().getSystemColor(SWT.COLOR_BLACK);
// Go through each block in turn until we're off the bottom of the
// screen
// or at the end of the list of blocks drawing icons
while (blockIndex != -1 && blockIndex < blockCount) {
Block block = m_FoldingDoc.getBlock(blockIndex);
int line = block.getStart();
// Once we drop off the bottom of the screen we're done
if (line >= lastLine) break;
int pos = line - topLine;
int y = pos * lineHeight + (lineHeight / 2) - (outerSize / 2) - 1;
int x = 1;
boolean expanded = block.isExpanded();
if (block.canExpand()) {
gc.drawRectangle(x, y, x + outerSize, x + outerSize);
// Start with a - sign
int y1 = y + 1 + (outerSize / 2);
gc.drawLine(x + offset, y1, x + offset + innerSize, y1);
if (!expanded) {
// If not expanded turn the - into a +
int x1 = x + 1 + (outerSize / 2);
gc.drawLine(x1, y + offset, x1, y + offset + innerSize);
} else {
// If expanded draw a line to show what is in the expanded
// area
gc.setForeground(gray);
int x1 = x + 1 + (outerSize / 2);
int yTop = y + outerSize + 2;
int yBottom = y + ((block.getSize() - 1) * lineHeight) + (outerSize / 2);
gc.drawLine(x1, yTop, x1, yBottom);
gc.drawLine(x1, yBottom, client.width - 1, yBottom);
gc.setForeground(black);
}
}
blockIndex++;
}
}
