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Nico committed 2021-03-07 15:22:55 +01:00
1 parent d1710ea6a5
commit fb4da77359
211 files changed
+45363 -45571
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src/org/fife/ui/autocomplete/ParameterizedCompletionContext.java
+109 -120
View File
@@ -48,8 +48,8 @@ import org.fife.ui.rtextarea.ChangeableHighlightPainter;
/**
* Manages UI and state specific to parameterized completions - the parameter
* description tool tip, the parameter completion choices list, the actual
* highlights in the editor, etc. This component installs new key bindings
* when appropriate to allow the user to cycle through the parameters of the
* highlights in the editor, etc. This component installs new key bindings when
* appropriate to allow the user to cycle through the parameters of the
* completion, and optionally cycle through completion choices for those
* parameters.
*
@@ -57,7 +57,7 @@ import org.fife.ui.rtextarea.ChangeableHighlightPainter;
* @version 1.0
*/
class ParameterizedCompletionContext {
/**
* The parent window.
*/
@@ -95,13 +95,13 @@ class ParameterizedCompletionContext {
*/
private Listener listener;
/**
* The minimum offset into the document that the caret can move to
* before this tool tip disappears.
* The minimum offset into the document that the caret can move to before this
* tool tip disappears.
*/
private int minPos;
/**
* The maximum offset into the document that the caret can move to
* before this tool tip disappears.
* The maximum offset into the document that the caret can move to before this
* tool tip disappears.
*/
private Position maxPos; // Moves with text inserted.
private Position defaultEndOffs;
@@ -140,7 +140,7 @@ class ParameterizedCompletionContext {
private static final String IM_KEY_ESCAPE = "ParamCompKey.Escape";
private static final String IM_KEY_ENTER = "ParamCompKey.Enter";
private static final String IM_KEY_CLOSING = "ParamCompKey.Closing";
/**
* Constructor.
*/
@@ -156,7 +156,7 @@ class ParameterizedCompletionContext {
tags = new ArrayList<Object>(1); // Usually small
paramCopyInfos = new ArrayList<ParamCopyInfo>(1);
}
/**
* Activates parameter completion support.
*
@@ -195,7 +195,7 @@ class ParameterizedCompletionContext {
prepareParamChoicesWindow();
paramChoicesWindow.setVisible(true);
}
/**
* Creates the completion window offering suggestions for parameters.
*
@@ -206,10 +206,9 @@ class ParameterizedCompletionContext {
pcw.initialize(pc);
return pcw;
}
/**
* Hides any popup windows and terminates parameterized completion
* assistance.
* Hides any popup windows and terminates parameterized completion assistance.
*
* @see #activate()
*/
@@ -226,15 +225,13 @@ class ParameterizedCompletionContext {
paramChoicesWindow.setVisible(false);
}
}
/**
* Returns the text inserted for the parameter containing the specified
* offset.
* Returns the text inserted for the parameter containing the specified offset.
*
* @param offs
* The offset into the document.
* @return The text of the parameter containing the offset, or
* <code>null</code> if the offset is not in a parameter.
* @param offs The offset into the document.
* @return The text of the parameter containing the offset, or <code>null</code>
* if the offset is not in a parameter.
*/
public String getArgumentText(int offs) {
List<Highlight> paramHighlights = getParameterHighlights();
@@ -258,12 +255,12 @@ class ParameterizedCompletionContext {
}
return null;
}
/**
* Returns the highlight of the current parameter.
*
* @return The current parameter's highlight, or <code>null</code> if
* the caret is not in a parameter's bounds.
* @return The current parameter's highlight, or <code>null</code> if the caret
* is not in a parameter's bounds.
* @see #getCurrentParameterStartOffset()
*/
private Highlight getCurrentParameterHighlight() {
@@ -280,7 +277,7 @@ class ParameterizedCompletionContext {
}
return null;
}
private int getCurrentParameterIndex() {
JTextComponent tc = ac.getTextComponent();
int dot = tc.getCaretPosition();
@@ -296,27 +293,26 @@ class ParameterizedCompletionContext {
}
return -1;
}
/**
* Returns the starting offset of the current parameter.
*
* @return The current parameter's starting offset, or <code>-1</code> if
* the caret is not in a parameter's bounds.
* @return The current parameter's starting offset, or <code>-1</code> if the
* caret is not in a parameter's bounds.
* @see #getCurrentParameterHighlight()
*/
private int getCurrentParameterStartOffset() {
Highlight h = getCurrentParameterHighlight();
return h != null ? h.getStartOffset() + 1 : -1;
}
/**
* Returns the highlight from a list that comes "first" in a list. Even
* though most parameter highlights are ordered, sometimes they aren't
* (e.g. the "cursor" parameter in a template completion is always last,
* even though it can be anywhere in the template).
* Returns the highlight from a list that comes "first" in a list. Even though
* most parameter highlights are ordered, sometimes they aren't (e.g. the
* "cursor" parameter in a template completion is always last, even though it
* can be anywhere in the template).
*
* @param highlights
* The list of highlights. Assumed to be non-empty.
* @param highlights The list of highlights. Assumed to be non-empty.
* @return The highlight that comes first in the document.
* @see #getLastHighlight(List)
*/
@@ -332,15 +328,14 @@ class ParameterizedCompletionContext {
}
return first;
}
/**
* Returns the highlight from a list that comes "last" in that list. Even
* though most parameter highlights are ordered, sometimes they aren't
* (e.g. the "cursor" parameter in a template completion is always last,
* even though it can be anywhere in the template.
* Returns the highlight from a list that comes "last" in that list. Even though
* most parameter highlights are ordered, sometimes they aren't (e.g. the
* "cursor" parameter in a template completion is always last, even though it
* can be anywhere in the template.
*
* @param highlights
* The list of highlights. Assumed to be non-empty.
* @param highlights The list of highlights. Assumed to be non-empty.
* @return The highlight that comes last in the document.
* @see #getFirstHighlight(List)
*/
@@ -356,7 +351,7 @@ class ParameterizedCompletionContext {
}
return last;
}
public List<Highlight> getParameterHighlights() {
List<Highlight> paramHighlights = new ArrayList<Highlight>(2);
JTextComponent tc = ac.getTextComponent();
@@ -369,12 +364,12 @@ class ParameterizedCompletionContext {
}
return paramHighlights;
}
/**
* Inserts the choice selected in the parameter choices window.
*
* @return Whether the choice was inserted. This will be <code>false</code>
* if the window is not visible, or no choice is selected.
* @return Whether the choice was inserted. This will be <code>false</code> if
* the window is not visible, or no choice is selected.
*/
boolean insertSelectedChoice() {
if (paramChoicesWindow != null && paramChoicesWindow.isVisible()) {
@@ -396,10 +391,10 @@ class ParameterizedCompletionContext {
}
return false;
}
/**
* Installs key bindings on the text component that facilitate the user
* editing this completion's parameters.
* Installs key bindings on the text component that facilitate the user editing
* this completion's parameters.
*
* @see #uninstallKeyBindings()
*/
@@ -447,7 +442,7 @@ class ParameterizedCompletionContext {
oldClosingAction = am.get(IM_KEY_CLOSING);
am.put(IM_KEY_CLOSING, new ClosingAction());
}
/**
* Moves to and selects the next parameter.
*
@@ -486,7 +481,7 @@ class ParameterizedCompletionContext {
tc.setSelectionEnd(currentNext.getEndOffset());
updateToolTipText(pos);
}
/**
* Moves to and selects the previous parameter.
*
@@ -507,8 +502,8 @@ class ParameterizedCompletionContext {
List<Highlight> highlights = getParameterHighlights();
for (int i = 0; i < highlights.size(); i++) {
Highlight h = highlights.get(i);
if (currentPrev == null || currentPrev.getStartOffset() >= dot
|| (h.getStartOffset() < selStart && (h.getStartOffset() > currentPrev.getStartOffset() || pos == lastSelectedParam))) {
if (currentPrev == null || currentPrev.getStartOffset() >= dot || (h.getStartOffset() < selStart
&& (h.getStartOffset() > currentPrev.getStartOffset() || pos == lastSelectedParam))) {
currentPrev = h;
pos = i;
}
@@ -533,7 +528,7 @@ class ParameterizedCompletionContext {
deactivate();
}
}
private void possiblyUpdateParamCopies(Document doc) {
int index = getCurrentParameterIndex();
// FunctionCompletions add an extra param at end of inserted text
@@ -567,7 +562,7 @@ class ParameterizedCompletionContext {
deactivate();
}
}
/**
* Updates the optional window listing likely completion choices,
*/
@@ -595,7 +590,7 @@ class ParameterizedCompletionContext {
paramChoicesWindow.setParameter(lastSelectedParam, paramPrefix);
}
}
/**
* Removes the bounding boxes around parameters.
*/
@@ -611,19 +606,16 @@ class ParameterizedCompletionContext {
}
paramCopyInfos.clear();
}
/**
* Replaces highlighted text with new text. Takes special care so that
* the highlight stays just around the newly-highlighted text, since
* Swing's <code>Highlight</code> classes are funny about insertions at
* their start offsets.
* Replaces highlighted text with new text. Takes special care so that the
* highlight stays just around the newly-highlighted text, since Swing's
* <code>Highlight</code> classes are funny about insertions at their start
* offsets.
*
* @param doc
* The document.
* @param h
* The highlight whose text to change.
* @param replacement
* The new text to be in the highlight.
* @param doc The document.
* @param h The highlight whose text to change.
* @param replacement The new text to be in the highlight.
* @return The replacement highlight for <code>h</code>.
*/
private Highlight replaceHighlightedText(Document doc, Highlight h, String replacement) {
@@ -646,7 +638,7 @@ class ParameterizedCompletionContext {
}
return null;
}
/**
* Removes the key bindings we installed.
*
@@ -682,11 +674,10 @@ class ParameterizedCompletionContext {
im.put(ks, oldClosingKey);
am.put(IM_KEY_CLOSING, oldClosingAction);
}
/**
* Updates the text in the tool tip to have the current parameter
* displayed in bold. The "current parameter" is determined from the
* current caret position.
* Updates the text in the tool tip to have the current parameter displayed in
* bold. The "current parameter" is determined from the current caret position.
*
* @return The "prefix" of text in the caret's parameter before the caret.
*/
@@ -718,7 +709,7 @@ class ParameterizedCompletionContext {
updateToolTipText(index);
return paramPrefix;
}
private void updateToolTipText(int selectedParam) {
if (selectedParam != lastSelectedParam) {
if (tip != null) {
@@ -727,7 +718,7 @@ class ParameterizedCompletionContext {
this.lastSelectedParam = selectedParam;
}
}
/**
* Updates the <code>LookAndFeel</code> of all popup windows this context
* manages.
@@ -740,12 +731,12 @@ class ParameterizedCompletionContext {
paramChoicesWindow.updateUI();
}
}
/**
* Called when the user presses Enter while entering parameters.
*/
private class GotoEndAction extends AbstractAction {
@Override
public void actionPerformed(ActionEvent e) {
// If the param choices window is visible and something is chosen,
@@ -771,19 +762,19 @@ class ParameterizedCompletionContext {
}
}
}
private Action getDefaultEnterAction(JTextComponent tc) {
ActionMap am = tc.getActionMap();
return am.get(DefaultEditorKit.insertBreakAction);
}
}
/**
* Called when the user types the character marking the closing of the
* parameter list, such as '<code>)</code>'.
* Called when the user types the character marking the closing of the parameter
* list, such as '<code>)</code>'.
*/
private class ClosingAction extends AbstractAction {
@Override
public void actionPerformed(ActionEvent e) {
JTextComponent tc = ac.getTextComponent();
@@ -812,7 +803,7 @@ class ParameterizedCompletionContext {
tc.replaceSelection(Character.toString(end));
}
}
public int getCount(String text, char ch) {
int count = 0;
int old = 0;
@@ -824,12 +815,12 @@ class ParameterizedCompletionContext {
return count;
}
}
/**
* Action performed when the user hits the escape key.
*/
private class HideAction extends AbstractAction {
@Override
public void actionPerformed(ActionEvent e) {
// On first escape press, if the param choices window is visible,
@@ -844,20 +835,19 @@ class ParameterizedCompletionContext {
}
}
}
/**
* Listens for various events in the text component while this tool tip
* is visible.
* Listens for various events in the text component while this tool tip is
* visible.
*/
private class Listener implements FocusListener, CaretListener, DocumentListener {
private boolean markOccurrencesEnabled;
/**
* Called when the text component's caret moves.
*
* @param e
* The event.
* @param e The event.
*/
@Override
public void caretUpdate(CaretEvent e) {
@@ -875,37 +865,36 @@ class ParameterizedCompletionContext {
prepareParamChoicesWindow();
}
}
@Override
public void changedUpdate(DocumentEvent e) {}
public void changedUpdate(DocumentEvent e) {
}
/**
* Called when the text component gains focus.
*
* @param e
* The event.
* @param e The event.
*/
@Override
public void focusGained(FocusEvent e) {
// Do nothing
}
/**
* Called when the text component loses focus.
*
* @param e
* The event.
* @param e The event.
*/
@Override
public void focusLost(FocusEvent e) {
deactivate();
}
private void handleDocumentEvent(final DocumentEvent e) {
if (!ignoringDocumentEvents) {
ignoringDocumentEvents = true;
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
possiblyUpdateParamCopies(e.getDocument());
@@ -914,17 +903,16 @@ class ParameterizedCompletionContext {
});
}
}
@Override
public void insertUpdate(DocumentEvent e) {
handleDocumentEvent(e);
}
/**
* Installs this listener onto a text component.
*
* @param tc
* The text component to install onto.
* @param tc The text component to install onto.
* @see #uninstall()
*/
public void install(JTextComponent tc) {
@@ -950,7 +938,8 @@ class ParameterizedCompletionContext {
}
for (int i = 0; i < info.getReplacementCopyCount(); i++) {
ReplacementCopy rc = info.getReplacementCopy(i);
paramCopyInfos.add(new ParamCopyInfo(rc.getId(), (Highlight) h.addHighlight(rc.getStart(), rc.getEnd(), paramCopyP)));
paramCopyInfos.add(new ParamCopyInfo(rc.getId(),
(Highlight) h.addHighlight(rc.getStart(), rc.getEnd(), paramCopyP)));
}
// Go back and start at the first parameter.
tc.setCaretPosition(info.getSelectionStart());
@@ -981,12 +970,12 @@ class ParameterizedCompletionContext {
tc.addFocusListener(this);
installKeyBindings();
}
@Override
public void removeUpdate(DocumentEvent e) {
handleDocumentEvent(e);
}
/**
* Uninstalls this listener from the current text component.
*/
@@ -1005,21 +994,21 @@ class ParameterizedCompletionContext {
removeParameterHighlights();
}
}
/**
* Action performed when the user presses the up or down arrow keys and
* the parameter completion choices popup is visible.
* Action performed when the user presses the up or down arrow keys and the
* parameter completion choices popup is visible.
*/
private class NextChoiceAction extends AbstractAction {
private Action oldAction;
private int amount;
public NextChoiceAction(int amount, Action oldAction) {
this.amount = amount;
this.oldAction = oldAction;
}
@Override
public void actionPerformed(ActionEvent e) {
if (paramChoicesWindow != null && paramChoicesWindow.isVisible()) {
@@ -1031,34 +1020,34 @@ class ParameterizedCompletionContext {
}
}
}
/**
* Action performed when the user hits the tab key.
*/
private class NextParamAction extends AbstractAction {
@Override
public void actionPerformed(ActionEvent e) {
moveToNextParam();
}
}
private static class ParamCopyInfo {
private String paramName;
private Highlight h;
public ParamCopyInfo(String paramName, Highlight h) {
this.paramName = paramName;
this.h = h;
}
}
/**
* Action performed when the user hits shift+tab.
*/
private class PrevParamAction extends AbstractAction {
@Override
public void actionPerformed(ActionEvent e) {
moveToPreviousParam();