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Java Source Code / Java Documentation » IDE Eclipse » jface » org.eclipse.jface.text

Source Cross Reference Class Diagram Java Document (Java Doc)

org.eclipse.jface.text .ITextViewerExtension5

ITextViewerExtension5

public interface ITextViewerExtension5 extends ITextViewerExtension3(Code)

Extension interface for org.eclipse.jface.text.ITextViewer . Defines a conceptual replacement of the original visible region concept. This interface replaces org.eclipse.jface.text.ITextViewerExtension3 .

Introduces the explicit concept of model and widget coordinates. For example, a selection returned by the text viewer's control is a widget selection. A widget selection always maps to a certain range of the viewer's document. This range is considered the model selection.

All model ranges that have a corresponding widget ranges are considered "exposed model ranges". The viewer can be requested to expose a given model range. Thus, a visible region is a particular degeneration of exposed model ranges.

This interface allows implementers to follow a sophisticated presentation model in which the visible presentation is a complex projection of the viewer's input document.
since:
3.0

Method Summary
boolean	exposeModelRange(IRegion modelRange) Exposes the given model range.
IRegion[]	getCoveredModelRanges(IRegion modelRange) Returns the maximal subranges of the given model range thus that there is no offset inside a subrange for which there is no image offset.
IRegion	getModelCoverage() Returns the minimal region of the viewer's input document that completely comprises everything that is visible in the viewer's widget or `null` if there is no such region.
int	modelLine2WidgetLine(int modelLine) Returns the widget line that corresponds to the given line of the viewer's input document or `-1` if there is no such line.
int	modelOffset2WidgetOffset(int modelOffset)
IRegion	modelRange2WidgetRange(IRegion modelRange) Returns the minimal region of the viewer's widget that completely comprises the given region of the viewer's input document or `null` if there is no such region.
int	widgetLine2ModelLine(int widgetLine) Returns the line of the viewer's input document that corresponds to the given widget line or `-1` if there is no such line.
int	widgetLineOfWidgetOffset(int widgetOffset) Returns the widget line of the given widget offset.
int	widgetOffset2ModelOffset(int widgetOffset)
IRegion	widgetRange2ModelRange(IRegion widgetRange) Returns the minimal region of the viewer's input document that completely comprises the given widget region or `null` if there is no such region.

Method Detail

exposeModelRange
boolean exposeModelRange(IRegion modelRange)(Code)
	Exposes the given model range. Returns whether this call caused a change of the set of exposed model ranges. Parameters: modelRange - the model range to be exposed `true` if the set of exposed model ranges changed,`false` otherwise

getCoveredModelRanges
IRegion[] getCoveredModelRanges(IRegion modelRange)(Code)
	Returns the maximal subranges of the given model range thus that there is no offset inside a subrange for which there is no image offset. Parameters: modelRange - the model range the list of subranges

getModelCoverage
IRegion getModelCoverage()(Code)
	Returns the minimal region of the viewer's input document that completely comprises everything that is visible in the viewer's widget or `null` if there is no such region. the minimal region of the viewer's document comprising thecontents of the viewer's widget or `null`

modelLine2WidgetLine
int modelLine2WidgetLine(int modelLine)(Code)
	Returns the widget line that corresponds to the given line of the viewer's input document or `-1` if there is no such line. Parameters: modelLine - the line of the viewer's document the corresponding widget line or `-1`

modelOffset2WidgetOffset
int modelOffset2WidgetOffset(int modelOffset)(Code)
	Returns the widget offset that corresponds to the given offset in the viewer's input document or `-1` if there is no such offset Parameters: modelOffset - the offset in the viewer's document the corresponding widget offset or `-1`

modelRange2WidgetRange
IRegion modelRange2WidgetRange(IRegion modelRange)(Code)
	Returns the minimal region of the viewer's widget that completely comprises the given region of the viewer's input document or `null` if there is no such region. Parameters: modelRange - the region of the viewer's document the minimal region of the widget comprising`modelRange` or `null`

widgetLine2ModelLine
int widgetLine2ModelLine(int widgetLine)(Code)
	Returns the line of the viewer's input document that corresponds to the given widget line or `-1` if there is no such line. Parameters: widgetLine - the widget line the corresponding line of the viewer's document or`-1`

widgetLineOfWidgetOffset
int widgetLineOfWidgetOffset(int widgetOffset)(Code)
	Returns the widget line of the given widget offset. Parameters: widgetOffset - the widget offset the widget line of the widget offset

widgetOffset2ModelOffset
int widgetOffset2ModelOffset(int widgetOffset)(Code)
	Returns the offset of the viewer's input document that corresponds to the given widget offset or `-1` if there is no such offset Parameters: widgetOffset - the widget offset the corresponding offset in the viewer's document or`-1`

widgetRange2ModelRange
IRegion widgetRange2ModelRange(IRegion widgetRange)(Code)
	Returns the minimal region of the viewer's input document that completely comprises the given widget region or `null` if there is no such region. Parameters: widgetRange - the widget region the minimal region of the viewer's document comprising`widgetlRange` or `null`

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