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Fixes and updates
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@@ -21,67 +21,61 @@ import java.util.List;
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* @see DefaultFoldManager
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*/
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public interface FoldManager {
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/**
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* Property fired when folds have been updated.
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*/
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String PROPERTY_FOLDS_UPDATED = "FoldsUpdated";
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/**
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* Adds a property change listener to this fold manager.
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*
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* @param l
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* The new listener.
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* @param l The new listener.
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* @see #removePropertyChangeListener(PropertyChangeListener)
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*/
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void addPropertyChangeListener(PropertyChangeListener l);
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/**
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* Removes all folds.
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*/
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void clear();
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/**
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* Ensures that the specified offset is not hidden in a collapsed fold.
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* Any folds containing this offset that are collapsed will be expanded.
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* Ensures that the specified offset is not hidden in a collapsed fold. Any
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* folds containing this offset that are collapsed will be expanded.
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*
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* @param offs
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* The offset.
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* @param offs The offset.
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* @return Whether any folds had to be opened.
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* @see #getDeepestFoldContaining(int)
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*/
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boolean ensureOffsetNotInClosedFold(int offs);
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/**
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* Returns the "deepest" nested fold containing the specified offset.
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*
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* @param offs
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* The offset.
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* @return The deepest fold containing the offset, or <code>null</code> if
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* no fold contains the offset.
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* @param offs The offset.
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* @return The deepest fold containing the offset, or <code>null</code> if no
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* fold contains the offset.
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*/
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Fold getDeepestFoldContaining(int offs);
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/**
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* Returns the "deepest" open fold containing the specified offset.
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*
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* @param offs
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* The offset.
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* @return The fold, or <code>null</code> if no open fold contains the
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* offset.
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* @param offs The offset.
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* @return The fold, or <code>null</code> if no open fold contains the offset.
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*/
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Fold getDeepestOpenFoldContaining(int offs);
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/**
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* Returns a specific top-level fold, which may have child folds.
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*
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* @param index
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* The index of the fold.
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* @param index The index of the fold.
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* @return The fold.
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* @see #getFoldCount()
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*/
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Fold getFold(int index);
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/**
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* Returns the number of top-level folds.
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*
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@@ -89,18 +83,17 @@ public interface FoldManager {
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* @see #getFold(int)
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*/
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int getFoldCount();
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/**
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* Returns the fold region that starts at the specified line.
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*
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* @param line
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* The line number.
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* @return The fold, or <code>null</code> if the line is not the start
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* of a fold region.
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* @param line The line number.
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* @return The fold, or <code>null</code> if the line is not the start of a fold
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* region.
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* @see #isFoldStartLine(int)
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*/
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Fold getFoldForLine(int line);
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/**
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* Returns the total number of hidden (folded) lines.
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*
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@@ -108,127 +101,112 @@ public interface FoldManager {
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* @see #getHiddenLineCountAbove(int)
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*/
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int getHiddenLineCount();
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/**
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* Returns the number of lines "hidden" by collapsed folds above the
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* specified line.
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* Returns the number of lines "hidden" by collapsed folds above the specified
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* line.
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*
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* @param line
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* The line. This is the line number for a logical line.
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* For the line number of a physical line (i.e. visible, not
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* folded),
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* use <code>getHiddenLineCountAbove(int, true)</code>.
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* @param line The line. This is the line number for a logical line. For the
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* line number of a physical line (i.e. visible, not folded), use
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* <code>getHiddenLineCountAbove(int, true)</code>.
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* @return The number of lines hidden in folds above <code>line</code>.
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* @see #getHiddenLineCountAbove(int, boolean)
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*/
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int getHiddenLineCountAbove(int line);
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/**
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* Returns the number of lines "hidden" by collapsed folds above the
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* specified line.
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* Returns the number of lines "hidden" by collapsed folds above the specified
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* line.
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*
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* @param line
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* The line.
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* @param physical
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* Whether <code>line</code> is the number of a physical
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* line (i.e. visible, not code-folded), or a logical one (i.e.
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* any
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* line from the model). If <code>line</code> was determined by a
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* raw line calculation (i.e.
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* <code>(visibleTopY / lineHeight)</code>),
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* this value should be <code>true</code>. It should be
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* <code>false</code> when it was calculated from an offset in
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* the
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* document (for example).
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* @param line The line.
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* @param physical Whether <code>line</code> is the number of a physical line
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* (i.e. visible, not code-folded), or a logical one (i.e. any
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* line from the model). If <code>line</code> was determined by
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* a raw line calculation (i.e.
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* <code>(visibleTopY / lineHeight)</code>), this value should
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* be <code>true</code>. It should be <code>false</code> when it
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* was calculated from an offset in the document (for example).
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* @return The number of lines hidden in folds above <code>line</code>.
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*/
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int getHiddenLineCountAbove(int line, boolean physical);
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/**
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* Returns the last visible line in the text area, taking into account
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* folds.
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* Returns the last visible line in the text area, taking into account folds.
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*
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* @return The last visible line.
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*/
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int getLastVisibleLine();
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int getVisibleLineAbove(int line);
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int getVisibleLineBelow(int line);
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/**
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* Returns whether code folding is enabled. Note that only certain
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* languages support code folding; those that do not will ignore this
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* property.
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* Returns whether code folding is enabled. Note that only certain languages
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* support code folding; those that do not will ignore this property.
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*
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* @return Whether code folding is enabled.
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* @see #setCodeFoldingEnabled(boolean)
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*/
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boolean isCodeFoldingEnabled();
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/**
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* Returns <code>true</code> if and only if code folding is enabled for
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* this text area, AND folding is supported for the language it is editing.
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* Whether or not folding is supported for a language depends on whether
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* a fold parser is registered for that language with the
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* <code>FoldParserManager</code>.
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* Returns <code>true</code> if and only if code folding is enabled for this
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* text area, AND folding is supported for the language it is editing. Whether
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* or not folding is supported for a language depends on whether a fold parser
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* is registered for that language with the <code>FoldParserManager</code>.
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*
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* @return Whether folding is supported and enabled for this text area.
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* @see FoldParserManager
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*/
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boolean isCodeFoldingSupportedAndEnabled();
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/**
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* Returns whether the specified line contains the start of a fold region.
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*
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* @param line
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* The line.
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* @param line The line.
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* @return Whether the line contains the start of a fold region.
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* @see #getFoldForLine(int)
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*/
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boolean isFoldStartLine(int line);
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/**
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* Returns whether a line is hidden in a collapsed fold.
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*
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* @param line
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* The line to check.
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* @param line The line to check.
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* @return Whether the line is hidden in a collapsed fold.
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*/
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boolean isLineHidden(int line);
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/**
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* Removes a property change listener from this fold manager.
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*
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* @param l
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* The listener to remove.
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* @param l The listener to remove.
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* @see #addPropertyChangeListener(PropertyChangeListener)
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*/
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void removePropertyChangeListener(PropertyChangeListener l);
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/**
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* Forces an immediate reparsing for folds, if folding is enabled. This
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* usually does not need to be called by the programmer, since fold
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* parsing is done automatically by RSTA.
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* Forces an immediate reparsing for folds, if folding is enabled. This usually
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* does not need to be called by the programmer, since fold parsing is done
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* automatically by RSTA.
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*/
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void reparse();
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/**
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* Sets whether code folding is enabled. Note that only certain
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* languages will support code folding out of the box. Those languages
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* which do not support folding will ignore this property.
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* Sets whether code folding is enabled. Note that only certain languages will
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* support code folding out of the box. Those languages which do not support
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* folding will ignore this property.
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*
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* @param enabled
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* Whether code folding should be enabled.
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* @param enabled Whether code folding should be enabled.
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* @see #isCodeFoldingEnabled()
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*/
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void setCodeFoldingEnabled(boolean enabled);
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/**
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* Sets the folds for this fold manager.
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*
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* @param folds
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* The new folds. This should not be <code>null</code>.
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* @param folds The new folds. This should not be <code>null</code>.
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*/
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void setFolds(List<Fold> folds);
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}
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