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java.lang.Objectorg.gjt.sp.jedit.textarea.DisplayManager
public class DisplayManager
Manages low-level text display tasks, such as folding.
Method Summary | |
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static void |
bufferClosed(JEditBuffer buffer)
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void |
collapseFold(int line)
Collapses the fold at the specified physical line index. |
void |
expandAllFolds()
Expands all folds. |
int |
expandFold(int line,
boolean fully)
Expands the fold at the specified physical line index. |
void |
expandFolds(char digit)
This method should only be called from actions.xml . |
void |
expandFolds(int foldLevel)
Expands all folds with the specified fold level. |
JEditBuffer |
getBuffer()
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int |
getFirstVisibleLine()
Returns the physical line number of the first visible line. |
int |
getLastVisibleLine()
Returns the physical line number of the last visible line. |
int |
getNextVisibleLine(int line)
Returns the next visible line after the specified line index, or (-1) if there is no next visible line. |
int |
getPrevVisibleLine(int line)
Returns the previous visible line before the specified line index. |
int |
getScreenLineCount(int line)
Returns how many screen lines contains the given physical line. |
int |
getScrollLineCount()
Returns the number of displayable lines It can be greater than the number of lines of the buffer when using soft wrap (a line can count for n lines), or when using folding, if the foldings are collapsed |
boolean |
isLineVisible(int line)
Returns if the specified line is visible. |
void |
narrow(int start,
int end)
Narrows the visible portion of the buffer to the specified line range. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public static void bufferClosed(JEditBuffer buffer)
public JEditBuffer getBuffer()
public final boolean isLineVisible(int line)
line
- A physical line indexpublic int getFirstVisibleLine()
public int getLastVisibleLine()
public int getNextVisibleLine(int line)
line
- A physical line indexpublic int getPrevVisibleLine(int line)
line
- a physical line index
public final int getScreenLineCount(int line)
line
- the physical line
public final int getScrollLineCount()
public void collapseFold(int line)
line
- A physical line indexpublic int expandFold(int line, boolean fully)
line
- A physical line indexfully
- If true, all subfolds will also be expandedpublic void expandAllFolds()
public void expandFolds(char digit)
actions.xml
.
public void expandFolds(int foldLevel)
foldLevel
- The fold levelpublic void narrow(int start, int end)
start
- The first lineend
- The last line
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