Java 类javax.swing.text.Highlighter.Highlight 实例源码

项目：powertext 文件：ParameterizedCompletionContext.java

/**
 * 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.
 */
public String getArgumentText(int offs) {
    List<Highlight> paramHighlights = getParameterHighlights();
    if (paramHighlights==null || paramHighlights.size()==0) {
        return null;
    }
    for (Highlight h : paramHighlights) {
        if (offs>=h.getStartOffset() && offs<=h.getEndOffset()) {
            int start = h.getStartOffset() + 1;
            int len = h.getEndOffset() - start;
            JTextComponent tc = ac.getTextComponent();
            Document doc = tc.getDocument();
            try {
                return doc.getText(start, len);
            } catch (BadLocationException ble) {
                UIManager.getLookAndFeel().provideErrorFeedback(tc);
                ble.printStackTrace();
                return null;
            }
        }
    }
    return null;
}

项目：powertext 文件：ParameterizedCompletionContext.java

/**
 * 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.
 * @see #getCurrentParameterStartOffset()
 */
private Highlight getCurrentParameterHighlight() {

    JTextComponent tc = ac.getTextComponent();
    int dot = tc.getCaretPosition();
    if (dot>0) {
        dot--; // Workaround for Java Highlight issues
    }

    List<Highlight> paramHighlights = getParameterHighlights();
    for (Highlight h : paramHighlights) {
        if (dot>=h.getStartOffset() && dot<h.getEndOffset()) {
            return h;
        }
    }

    return null;

}

项目：powertext 文件：ParameterizedCompletionContext.java

private int getCurrentParameterIndex() {

        JTextComponent tc = ac.getTextComponent();
        int dot = tc.getCaretPosition();
        if (dot>0) {
            dot--; // Workaround for Java Highlight issues
        }

        List<Highlight> paramHighlights = getParameterHighlights();
        for (int i=0; i<paramHighlights.size(); i++) {
            Highlight h = paramHighlights.get(i);
            if (dot>=h.getStartOffset() && dot<h.getEndOffset()) {
                return i;
            }
        }

        return -1;

    }

项目：powertext 文件：ParameterizedCompletionContext.java

/**
 * 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.
 */
boolean insertSelectedChoice() {
    if (paramChoicesWindow!=null && paramChoicesWindow.isVisible()) {
        String choice = paramChoicesWindow.getSelectedChoice();
        if (choice!=null) {
            JTextComponent tc = ac.getTextComponent();
            Highlight h = getCurrentParameterHighlight();
            if (h!=null) {
                 // "+1" is a workaround for Java Highlight issues.
                tc.setSelectionStart(h.getStartOffset()+1);
                tc.setSelectionEnd(h.getEndOffset());
                tc.replaceSelection(choice);
                moveToNextParam();
            }
            else {
                UIManager.getLookAndFeel().provideErrorFeedback(tc);
            }
            return true;
        }
    }
    return false;
}

项目：ftc 文件：ParameterizedCompletionContext.java

/**
 * 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.
 */
public String getArgumentText(int offs) {
    List<Highlight> paramHighlights = getParameterHighlights();
    if (paramHighlights == null || paramHighlights.size() == 0) {
        return null;
    }
    for (Highlight h : paramHighlights) {
        if (offs >= h.getStartOffset() && offs <= h.getEndOffset()) {
            int start = h.getStartOffset() + 1;
            int len = h.getEndOffset() - start;
            JTextComponent tc = ac.getTextComponent();
            Document doc = tc.getDocument();
            try {
                return doc.getText(start, len);
            } catch (BadLocationException ble) {
                UIManager.getLookAndFeel().provideErrorFeedback(tc);
                ble.printStackTrace();
                return null;
            }
        }
    }
    return null;
}

项目：ftc 文件：ParameterizedCompletionContext.java

/**
 * We prefer parameter standing for table names better than column names
 * since the choice of the table determines the choice of the column
 * 
 * there are completions containing only columns but no tables
 * 
 * @return highlight chosen. not null.
 */
private Highlight getPreferredInitialHighlight() {
    Highlight result = null;
    int idxTableParam = -1;
    int idxColumnParam = -1;
    List<Highlight> highlights = getParameterHighlights();

    for (int i = 0; i < pc.getParamCount(); i++) {
        if (pc.getParam(i).getName().equals(Const.paramNameTable))
            idxTableParam = i;
        if (pc.getParam(i).getName().equals(Const.paramNameColumn))
            idxColumnParam = i;
    }

    if (idxTableParam >= 0)
        result = highlights.get(idxTableParam);
    else if (idxColumnParam >= 0)
        result = highlights.get(idxColumnParam);

    if (result == null && pc.getParamCount() > 0)
        result = highlights.get(0);

    return result;
}

项目：ftc 文件：ParameterizedCompletionContext.java

/**
 * gft adaption: quote
 * @param choice
 */
private void insertChoice(String choice) {
    JTextComponent tc = ac.getTextComponent();
    Highlight h = getCurrentParameterHighlight();

    if (h != null) {
        String text = tc.getText();
        // "+1" is a workaround for Java Highlight issues.
        tc.setSelectionStart(h.getStartOffset() + 1);
        tc.setSelectionEnd(h.getEndOffset());
        tc.replaceSelection(AutoCompletion.quoteChoice(choice));

        moveToNextParam();
    } else {
        UIManager.getLookAndFeel().provideErrorFeedback(tc);
    }
}

项目：ESPlorer 文件：ParameterizedCompletionContext.java

/**
 * 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.
 */
public String getArgumentText(int offs) {
    List<Highlight> paramHighlights = getParameterHighlights();
    if (paramHighlights==null || paramHighlights.size()==0) {
        return null;
    }
    for (Highlight h : paramHighlights) {
        if (offs>=h.getStartOffset() && offs<=h.getEndOffset()) {
            int start = h.getStartOffset() + 1;
            int len = h.getEndOffset() - start;
            JTextComponent tc = ac.getTextComponent();
            Document doc = tc.getDocument();
            try {
                return doc.getText(start, len);
            } catch (BadLocationException ble) {
                UIManager.getLookAndFeel().provideErrorFeedback(tc);
                ble.printStackTrace();
                return null;
            }
        }
    }
    return null;
}

项目：ESPlorer 文件：ParameterizedCompletionContext.java

/**
 * 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.
 * @see #getCurrentParameterStartOffset()
 */
private Highlight getCurrentParameterHighlight() {

    JTextComponent tc = ac.getTextComponent();
    int dot = tc.getCaretPosition();
    if (dot>0) {
        dot--; // Workaround for Java Highlight issues
    }

    List<Highlight> paramHighlights = getParameterHighlights();
    for (Highlight h : paramHighlights) {
        if (dot>=h.getStartOffset() && dot<h.getEndOffset()) {
            return h;
        }
    }

    return null;

}

项目：ESPlorer 文件：ParameterizedCompletionContext.java

private int getCurrentParameterIndex() {

        JTextComponent tc = ac.getTextComponent();
        int dot = tc.getCaretPosition();
        if (dot>0) {
            dot--; // Workaround for Java Highlight issues
        }

        List<Highlight> paramHighlights = getParameterHighlights();
        for (int i=0; i<paramHighlights.size(); i++) {
            Highlight h = paramHighlights.get(i);
            if (dot>=h.getStartOffset() && dot<h.getEndOffset()) {
                return i;
            }
        }

        return -1;

    }

项目：ESPlorer 文件：ParameterizedCompletionContext.java

/**
 * 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.
 */
boolean insertSelectedChoice() {
    if (paramChoicesWindow!=null && paramChoicesWindow.isVisible()) {
        String choice = paramChoicesWindow.getSelectedChoice();
        if (choice!=null) {
            JTextComponent tc = ac.getTextComponent();
            Highlight h = getCurrentParameterHighlight();
            if (h!=null) {
                 // "+1" is a workaround for Java Highlight issues.
                tc.setSelectionStart(h.getStartOffset()+1);
                tc.setSelectionEnd(h.getEndOffset());
                tc.replaceSelection(choice);
                moveToNextParam();
            }
            else {
                UIManager.getLookAndFeel().provideErrorFeedback(tc);
            }
            return true;
        }
    }
    return false;
}

项目：ESPlorer 文件：ParameterizedCompletionContext.java

/**
 * 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.
 */
public String getArgumentText(int offs) {
    List<Highlight> paramHighlights = getParameterHighlights();
    if (paramHighlights==null || paramHighlights.size()==0) {
        return null;
    }
    for (Highlight h : paramHighlights) {
        if (offs>=h.getStartOffset() && offs<=h.getEndOffset()) {
            int start = h.getStartOffset() + 1;
            int len = h.getEndOffset() - start;
            JTextComponent tc = ac.getTextComponent();
            Document doc = tc.getDocument();
            try {
                return doc.getText(start, len);
            } catch (BadLocationException ble) {
                UIManager.getLookAndFeel().provideErrorFeedback(tc);
                ble.printStackTrace();
                return null;
            }
        }
    }
    return null;
}

项目：ESPlorer 文件：ParameterizedCompletionContext.java

/**
 * 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.
 * @see #getCurrentParameterStartOffset()
 */
private Highlight getCurrentParameterHighlight() {

    JTextComponent tc = ac.getTextComponent();
    int dot = tc.getCaretPosition();
    if (dot>0) {
        dot--; // Workaround for Java Highlight issues
    }

    List<Highlight> paramHighlights = getParameterHighlights();
    for (Highlight h : paramHighlights) {
        if (dot>=h.getStartOffset() && dot<h.getEndOffset()) {
            return h;
        }
    }

    return null;

}

项目：ESPlorer 文件：ParameterizedCompletionContext.java

private int getCurrentParameterIndex() {

        JTextComponent tc = ac.getTextComponent();
        int dot = tc.getCaretPosition();
        if (dot>0) {
            dot--; // Workaround for Java Highlight issues
        }

        List<Highlight> paramHighlights = getParameterHighlights();
        for (int i=0; i<paramHighlights.size(); i++) {
            Highlight h = paramHighlights.get(i);
            if (dot>=h.getStartOffset() && dot<h.getEndOffset()) {
                return i;
            }
        }

        return -1;

    }

项目：ESPlorer 文件：ParameterizedCompletionContext.java

/**
 * 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.
 */
boolean insertSelectedChoice() {
    if (paramChoicesWindow!=null && paramChoicesWindow.isVisible()) {
        String choice = paramChoicesWindow.getSelectedChoice();
        if (choice!=null) {
            JTextComponent tc = ac.getTextComponent();
            Highlight h = getCurrentParameterHighlight();
            if (h!=null) {
                 // "+1" is a workaround for Java Highlight issues.
                tc.setSelectionStart(h.getStartOffset()+1);
                tc.setSelectionEnd(h.getEndOffset());
                tc.replaceSelection(choice);
                moveToNextParam();
            }
            else {
                UIManager.getLookAndFeel().provideErrorFeedback(tc);
            }
            return true;
        }
    }
    return false;
}

项目：urduhtmlmaster 文件：AutoSpellChecker.java

/**
 * Remove the AutoSpellChecker from the given JTextComponent.
 * 
 * @param text
 *            the JTextComponent
 */
static void disable( JTextComponent text ){
    AbstractDocument doc = (AbstractDocument)text.getDocument();
    for(DocumentListener listener : doc.getDocumentListeners()){
        if(listener instanceof AutoSpellChecker){
            AutoSpellChecker autoSpell = (AutoSpellChecker)listener;
            doc.removeDocumentListener( autoSpell );
            Highlighter highlighter = text.getHighlighter();
            for( Highlight highlight : highlighter.getHighlights() ) {
                if( highlight.getPainter() == painter ){
                    highlighter.removeHighlight( highlight );
                }
            }
        }
    }
}

项目：powertext 文件：ParameterizedCompletionContext.java

/**
 * 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.
 * @return The highlight that comes first in the document.
 * @see #getLastHighlight(List)
 */
private static final int getFirstHighlight(List<Highlight> highlights) {
    int first = -1;
    Highlight firstH = null;
    for (int i=0; i<highlights.size(); i++) {
        Highlight h = highlights.get(i);
        if (firstH==null || h.getStartOffset()<firstH.getStartOffset()) {
            firstH = h;
            first = i;
        }
    }
    return first;
}

项目：powertext 文件：ParameterizedCompletionContext.java

/**
 * 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.
 * @return The highlight that comes last in the document.
 * @see #getFirstHighlight(List)
 */
private static final int getLastHighlight(List<Highlight> highlights) {
    int last = -1;
    Highlight lastH = null;
    for (int i=highlights.size()-1; i>=0; i--) {
        Highlight h = highlights.get(i);
        if (lastH==null || h.getStartOffset()>lastH.getStartOffset()) {
            lastH = h;
            last = i;
        }
    }
    return last;
}

项目：powertext 文件：ParameterizedCompletionContext.java

public List<Highlight> getParameterHighlights() {
    List<Highlight> paramHighlights = new ArrayList<Highlight>(2);
    JTextComponent tc = ac.getTextComponent();
    Highlight[] highlights = tc.getHighlighter().getHighlights();
    for (int i=0; i<highlights.length; i++) {
        HighlightPainter painter = highlights[i].getPainter();
        if (painter==p || painter==endingP) {
            paramHighlights.add(highlights[i]);
        }
    }
    return paramHighlights;
}

项目：powertext 文件：ParameterizedCompletionContext.java

/**
 * Moves to and selects the next parameter.
 *
 * @see #moveToPreviousParam()
 */
private void moveToNextParam() {

    JTextComponent tc = ac.getTextComponent();
    int dot = tc.getCaretPosition();
    int tagCount = tags.size();
    if (tagCount==0) {
        tc.setCaretPosition(maxPos.getOffset());
        deactivate();
    }

    Highlight currentNext = null;
    int pos = -1;
    List<Highlight> highlights = getParameterHighlights();
    for (int i=0; i<highlights.size(); i++) {
        Highlight hl = highlights.get(i);
        // Check "< dot", not "<= dot" as OutlineHighlightPainter paints
        // starting at one char AFTER the highlight starts, to work around
        // Java issue.  Thanks to Matthew Adereth!
        if (currentNext==null || currentNext.getStartOffset()</*=*/dot ||
                (hl.getStartOffset()>dot &&
                hl.getStartOffset()<=currentNext.getStartOffset())) {
            currentNext = hl;
            pos = i;
        }
    }

    // No params after caret - go to first one
    if (currentNext.getStartOffset()+1<=dot) {
        int nextIndex = getFirstHighlight(highlights);
        currentNext = highlights.get(nextIndex);
        pos = 0;
    }

    // "+1" is a workaround for Java Highlight issues.
    tc.setSelectionStart(currentNext.getStartOffset()+1);
    tc.setSelectionEnd(currentNext.getEndOffset());
    updateToolTipText(pos);

}

项目：powertext 文件：ParameterizedCompletionContext.java

private void possiblyUpdateParamCopies(Document doc) {

    int index = getCurrentParameterIndex();
    // FunctionCompletions add an extra param at end of inserted text
    if (index>-1 && index<pc.getParamCount()) {

        // Typing in an "end parameter" => stop parameter assistance.
        Parameter param = pc.getParam(index);
        if (param.isEndParam()) {
            deactivate();
            return;
        }

        // Get the current value of the current parameter.
        List<Highlight> paramHighlights = getParameterHighlights();
        Highlight h = paramHighlights.get(index);
        int start = h.getStartOffset() + 1; // param offsets are offset (!) by 1
        int len = h.getEndOffset() - start;
        String replacement = null;
        try {
            replacement = doc.getText(start, len);
        } catch (BadLocationException ble) {
            ble.printStackTrace(); // Never happens
        }

        // Replace any param copies tracking this parameter with the
        // value of this parameter.
        for (ParamCopyInfo pci : paramCopyInfos) {
            if (pci.paramName.equals(param.getName())) {
                pci.h = replaceHighlightedText(doc, pci.h, replacement);
            }
        }

    }

    else { // Probably the "end parameter" for FunctionCompletions.
        deactivate();
    }

}

项目：powertext 文件：ParameterizedCompletionContext.java

/**
 * 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.
 */
private String updateToolTipText() {

    JTextComponent tc = ac.getTextComponent();
    int dot = tc.getSelectionStart();
    int mark = tc.getSelectionEnd();
    int index = -1;
    String paramPrefix = null;

    List<Highlight> paramHighlights = getParameterHighlights();
    for (int i=0; i<paramHighlights.size(); i++) {
        Highlight h = paramHighlights.get(i);
        // "+1" because of param hack - see OutlineHighlightPainter
        int start = h.getStartOffset()+1;
        if (dot>=start && dot<=h.getEndOffset()) {
            try {
                // All text selected => offer all suggestions, otherwise
                // use prefix before selection
                if (dot!=start || mark!=h.getEndOffset()) {
                    paramPrefix = tc.getText(start, dot-start);
                }
            } catch (BadLocationException ble) {
                ble.printStackTrace();
            }
            index = i;
            break;
        }
    }

    updateToolTipText(index);
    return paramPrefix;

}

项目：Code-Glosser 文件：MarkupView.java

public void setMarkupColor(Bounds bounds, Color color) {
    // Save the currently selected offsets
    int start = textCode.getSelectionStart();
    int end = textCode.getSelectionEnd();

    // Remove selection
    SwingUtilities.invokeLater(() -> {
        textCode.setSelectionStart(start);
        textCode.setSelectionEnd(start);
    });


    Stream.of(highlighter.getHighlights())
            // Obtain highlights which are within the requested bounds
            .filter(h -> Bounds.of(h.getStartOffset(), h.getEndOffset()).collidesWith(bounds))
            // For each highlight, we need to remove it and add it again as another color. There is no
            // way to directly change the color of a highlight once set.
            .forEach(h -> {
                Bounds b = Bounds.of(h.getStartOffset(), h.getEndOffset());

                // TODO: Race Condition!!! highlightMap is added to from UI Thread
                SwingUtilities.invokeLater(() -> {
                    highlighter.removeHighlight(h);
                    HighlightPainter hp = new DefaultHighlightPainter(ColorUtils.makeTransparent(color));
                    try {
                        Highlight h1 = (Highlight) highlighter.addHighlight(b.getStart(), b.getEnd(), hp);
                        highlightMap.put(b, h1);
                    } catch (BadLocationException ex) {
                        ex.printStackTrace();
                    }
                });
            });

    // Restore saved offsets
    if (start != 0 || end != 0) {
        SwingUtilities.invokeLater(() -> setSelection(Bounds.of(start, end)));
    }
}

项目：ftc 文件：ParameterizedCompletionContext.java

/**
 * 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.
 * @return The highlight that comes first in the document.
 * @see #getLastHighlight(List)
 */
private static final int getFirstHighlight(List<Highlight> highlights) {
    int first = -1;
    Highlight firstH = null;
    for (int i = 0; i < highlights.size(); i++) {
        Highlight h = highlights.get(i);
        if (firstH == null || h.getStartOffset() < firstH.getStartOffset()) {
            firstH = h;
            first = i;
        }
    }
    return first;
}

项目：ftc 文件：ParameterizedCompletionContext.java

/**
 * 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.
 * @return The highlight that comes last in the document.
 * @see #getFirstHighlight(List)
 */
private static final int getLastHighlight(List<Highlight> highlights) {
    int last = -1;
    Highlight lastH = null;
    for (int i = highlights.size() - 1; i >= 0; i--) {
        Highlight h = highlights.get(i);
        if (lastH == null || h.getStartOffset() > lastH.getStartOffset()) {
            lastH = h;
            last = i;
        }
    }
    return last;
}

项目：ftc 文件：ParameterizedCompletionContext.java

public List<Highlight> getParameterHighlights() {
    List<Highlight> paramHighlights = new ArrayList<Highlight>(2);
    JTextComponent tc = ac.getTextComponent();
    Highlight[] highlights = tc.getHighlighter().getHighlights();
    for (int i = 0; i < highlights.length; i++) {
        HighlightPainter painter = highlights[i].getPainter();
        if (!isGftErrorHighlighting(painter) && (painter == p || painter == endingP))
            paramHighlights.add(highlights[i]);

    }

    return paramHighlights;
}

项目：ftc 文件：ParameterizedCompletionContext.java

/**
 * 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.
 */
private String updateToolTipText() {

    JTextComponent tc = ac.getTextComponent();
    int dot = tc.getSelectionStart();
    int mark = tc.getSelectionEnd();
    int index = -1;
    String paramPrefix = null;

    List<Highlight> paramHighlights = getParameterHighlights();
    for (int i = 0; i < paramHighlights.size(); i++) {
        Highlight h = paramHighlights.get(i);
        // "+1" because of param hack - see OutlineHighlightPainter
        int start = h.getStartOffset() + 1;
        if (dot >= start && dot <= h.getEndOffset()) {
            try {
                // All text selected => offer all suggestions, otherwise
                // use prefix before selection
                if (dot != start || mark != h.getEndOffset()) {
                    paramPrefix = tc.getText(start, dot - start);
                }
            } catch (BadLocationException ble) {
                ble.printStackTrace();
            }
            index = i;
            break;
        }
    }

    updateToolTipText(index);
    return paramPrefix;

}

项目：jlokalize 文件：AutoSpellChecker.java

/**
    * Remove all SpellChecker highlights from the given JTextComponent.
    * 
    * @param text
    *            the JTextComponent
    */
private static void removeHighlights( JTextComponent text ) {
       Highlighter highlighter = text.getHighlighter();
       for( Highlight highlight : highlighter.getHighlights() ) {
           if( highlight.getPainter() == painter ) {
               highlighter.removeHighlight( highlight );
           }
       }
   }

项目：ESPlorer 文件：ParameterizedCompletionContext.java

/**
 * 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.
 * @return The highlight that comes first in the document.
 * @see #getLastHighlight(List)
 */
private static final int getFirstHighlight(List<Highlight> highlights) {
    int first = -1;
    Highlight firstH = null;
    for (int i=0; i<highlights.size(); i++) {
        Highlight h = highlights.get(i);
        if (firstH==null || h.getStartOffset()<firstH.getStartOffset()) {
            firstH = h;
            first = i;
        }
    }
    return first;
}

项目：ESPlorer 文件：ParameterizedCompletionContext.java

/**
 * 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.
 * @return The highlight that comes last in the document.
 * @see #getFirstHighlight(List)
 */
private static final int getLastHighlight(List<Highlight> highlights) {
    int last = -1;
    Highlight lastH = null;
    for (int i=highlights.size()-1; i>=0; i--) {
        Highlight h = highlights.get(i);
        if (lastH==null || h.getStartOffset()>lastH.getStartOffset()) {
            lastH = h;
            last = i;
        }
    }
    return last;
}

项目：ESPlorer 文件：ParameterizedCompletionContext.java

public List<Highlight> getParameterHighlights() {
    List<Highlight> paramHighlights = new ArrayList<Highlight>(2);
    JTextComponent tc = ac.getTextComponent();
    Highlight[] highlights = tc.getHighlighter().getHighlights();
    for (int i=0; i<highlights.length; i++) {
        HighlightPainter painter = highlights[i].getPainter();
        if (painter==p || painter==endingP) {
            paramHighlights.add(highlights[i]);
        }
    }
    return paramHighlights;
}

项目：ESPlorer 文件：ParameterizedCompletionContext.java

/**
 * Moves to and selects the next parameter.
 *
 * @see #moveToPreviousParam()
 */
private void moveToNextParam() {

    JTextComponent tc = ac.getTextComponent();
    int dot = tc.getCaretPosition();
    int tagCount = tags.size();
    if (tagCount==0) {
        tc.setCaretPosition(maxPos.getOffset());
        deactivate();
    }

    Highlight currentNext = null;
    int pos = -1;
    List<Highlight> highlights = getParameterHighlights();
    for (int i=0; i<highlights.size(); i++) {
        Highlight hl = highlights.get(i);
        // Check "< dot", not "<= dot" as OutlineHighlightPainter paints
        // starting at one char AFTER the highlight starts, to work around
        // Java issue.  Thanks to Matthew Adereth!
        if (currentNext==null || currentNext.getStartOffset()</*=*/dot ||
                (hl.getStartOffset()>dot &&
                hl.getStartOffset()<=currentNext.getStartOffset())) {
            currentNext = hl;
            pos = i;
        }
    }

    // No params after caret - go to first one
    if (currentNext.getStartOffset()+1<=dot) {
        int nextIndex = getFirstHighlight(highlights);
        currentNext = highlights.get(nextIndex);
        pos = 0;
    }

    // "+1" is a workaround for Java Highlight issues.
    tc.setSelectionStart(currentNext.getStartOffset()+1);
    tc.setSelectionEnd(currentNext.getEndOffset());
    updateToolTipText(pos);

}

项目：ESPlorer 文件：ParameterizedCompletionContext.java

private void possiblyUpdateParamCopies(Document doc) {

    int index = getCurrentParameterIndex();
    // FunctionCompletions add an extra param at end of inserted text
    if (index>-1 && index<pc.getParamCount()) {

        // Typing in an "end parameter" => stop parameter assistance.
        Parameter param = pc.getParam(index);
        if (param.isEndParam()) {
            deactivate();
            return;
        }

        // Get the current value of the current parameter.
        List<Highlight> paramHighlights = getParameterHighlights();
        Highlight h = paramHighlights.get(index);
        int start = h.getStartOffset() + 1; // param offsets are offset (!) by 1
        int len = h.getEndOffset() - start;
        String replacement = null;
        try {
            replacement = doc.getText(start, len);
        } catch (BadLocationException ble) {
            ble.printStackTrace(); // Never happens
        }

        // Replace any param copies tracking this parameter with the
        // value of this parameter.
        for (ParamCopyInfo pci : paramCopyInfos) {
            if (pci.paramName.equals(param.getName())) {
                pci.h = replaceHighlightedText(doc, pci.h, replacement);
            }
        }

    }

    else { // Probably the "end parameter" for FunctionCompletions.
        deactivate();
    }

}

项目：ESPlorer 文件：ParameterizedCompletionContext.java

/**
 * 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.
 */
private String updateToolTipText() {

    JTextComponent tc = ac.getTextComponent();
    int dot = tc.getSelectionStart();
    int mark = tc.getSelectionEnd();
    int index = -1;
    String paramPrefix = null;

    List<Highlight> paramHighlights = getParameterHighlights();
    for (int i=0; i<paramHighlights.size(); i++) {
        Highlight h = paramHighlights.get(i);
        // "+1" because of param hack - see OutlineHighlightPainter
        int start = h.getStartOffset()+1;
        if (dot>=start && dot<=h.getEndOffset()) {
            try {
                // All text selected => offer all suggestions, otherwise
                // use prefix before selection
                if (dot!=start || mark!=h.getEndOffset()) {
                    paramPrefix = tc.getText(start, dot-start);
                }
            } catch (BadLocationException ble) {
                ble.printStackTrace();
            }
            index = i;
            break;
        }
    }

    updateToolTipText(index);
    return paramPrefix;

}

项目：ESPlorer 文件：ParameterizedCompletionContext.java

/**
 * 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.
 * @return The highlight that comes first in the document.
 * @see #getLastHighlight(List)
 */
private static final int getFirstHighlight(List<Highlight> highlights) {
    int first = -1;
    Highlight firstH = null;
    for (int i=0; i<highlights.size(); i++) {
        Highlight h = highlights.get(i);
        if (firstH==null || h.getStartOffset()<firstH.getStartOffset()) {
            firstH = h;
            first = i;
        }
    }
    return first;
}

项目：ESPlorer 文件：ParameterizedCompletionContext.java

/**
 * 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.
 * @return The highlight that comes last in the document.
 * @see #getFirstHighlight(List)
 */
private static final int getLastHighlight(List<Highlight> highlights) {
    int last = -1;
    Highlight lastH = null;
    for (int i=highlights.size()-1; i>=0; i--) {
        Highlight h = highlights.get(i);
        if (lastH==null || h.getStartOffset()>lastH.getStartOffset()) {
            lastH = h;
            last = i;
        }
    }
    return last;
}

项目：ESPlorer 文件：ParameterizedCompletionContext.java

public List<Highlight> getParameterHighlights() {
    List<Highlight> paramHighlights = new ArrayList<Highlight>(2);
    JTextComponent tc = ac.getTextComponent();
    Highlight[] highlights = tc.getHighlighter().getHighlights();
    for (int i=0; i<highlights.length; i++) {
        HighlightPainter painter = highlights[i].getPainter();
        if (painter==p || painter==endingP) {
            paramHighlights.add(highlights[i]);
        }
    }
    return paramHighlights;
}

项目：ESPlorer 文件：ParameterizedCompletionContext.java

/**
 * Moves to and selects the next parameter.
 *
 * @see #moveToPreviousParam()
 */
private void moveToNextParam() {

    JTextComponent tc = ac.getTextComponent();
    int dot = tc.getCaretPosition();
    int tagCount = tags.size();
    if (tagCount==0) {
        tc.setCaretPosition(maxPos.getOffset());
        deactivate();
    }

    Highlight currentNext = null;
    int pos = -1;
    List<Highlight> highlights = getParameterHighlights();
    for (int i=0; i<highlights.size(); i++) {
        Highlight hl = highlights.get(i);
        // Check "< dot", not "<= dot" as OutlineHighlightPainter paints
        // starting at one char AFTER the highlight starts, to work around
        // Java issue.  Thanks to Matthew Adereth!
        if (currentNext==null || currentNext.getStartOffset()</*=*/dot ||
                (hl.getStartOffset()>dot &&
                hl.getStartOffset()<=currentNext.getStartOffset())) {
            currentNext = hl;
            pos = i;
        }
    }

    // No params after caret - go to first one
    if (currentNext.getStartOffset()+1<=dot) {
        int nextIndex = getFirstHighlight(highlights);
        currentNext = highlights.get(nextIndex);
        pos = 0;
    }

    // "+1" is a workaround for Java Highlight issues.
    tc.setSelectionStart(currentNext.getStartOffset()+1);
    tc.setSelectionEnd(currentNext.getEndOffset());
    updateToolTipText(pos);

}

项目：ESPlorer 文件：ParameterizedCompletionContext.java

private void possiblyUpdateParamCopies(Document doc) {

    int index = getCurrentParameterIndex();
    // FunctionCompletions add an extra param at end of inserted text
    if (index>-1 && index<pc.getParamCount()) {

        // Typing in an "end parameter" => stop parameter assistance.
        Parameter param = pc.getParam(index);
        if (param.isEndParam()) {
            deactivate();
            return;
        }

        // Get the current value of the current parameter.
        List<Highlight> paramHighlights = getParameterHighlights();
        Highlight h = paramHighlights.get(index);
        int start = h.getStartOffset() + 1; // param offsets are offset (!) by 1
        int len = h.getEndOffset() - start;
        String replacement = null;
        try {
            replacement = doc.getText(start, len);
        } catch (BadLocationException ble) {
            ble.printStackTrace(); // Never happens
        }

        // Replace any param copies tracking this parameter with the
        // value of this parameter.
        for (ParamCopyInfo pci : paramCopyInfos) {
            if (pci.paramName.equals(param.getName())) {
                pci.h = replaceHighlightedText(doc, pci.h, replacement);
            }
        }

    }

    else { // Probably the "end parameter" for FunctionCompletions.
        deactivate();
    }

}

项目：ESPlorer 文件：ParameterizedCompletionContext.java

/**
 * 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.
 */
private String updateToolTipText() {

    JTextComponent tc = ac.getTextComponent();
    int dot = tc.getSelectionStart();
    int mark = tc.getSelectionEnd();
    int index = -1;
    String paramPrefix = null;

    List<Highlight> paramHighlights = getParameterHighlights();
    for (int i=0; i<paramHighlights.size(); i++) {
        Highlight h = paramHighlights.get(i);
        // "+1" because of param hack - see OutlineHighlightPainter
        int start = h.getStartOffset()+1;
        if (dot>=start && dot<=h.getEndOffset()) {
            try {
                // All text selected => offer all suggestions, otherwise
                // use prefix before selection
                if (dot!=start || mark!=h.getEndOffset()) {
                    paramPrefix = tc.getText(start, dot-start);
                }
            } catch (BadLocationException ble) {
                ble.printStackTrace();
            }
            index = i;
            break;
        }
    }

    updateToolTipText(index);
    return paramPrefix;

}