Question

Stores all the data about Editor state providing easy way to change editors state.

EditSession can be attached to only one Document. Same Document can be attached to several EditSessions.

Constructors

• new EditSession(Document | String text, TextMode mode)

Sets up a new EditSession and associates it with the given Document and TextMode.

text	Document | String	Required. If text is a Document, it associates the EditSession with it. Otherwise, a new Document is created, with the initial text
mode	TextMode	Required. The initial language mode to use for the document

Events

• EditSession.on("change", function(Object e))

Emitted when the document changes.

e

Object

Required. An object containing a delta of information about the change.

• EditSession.on("changeAnnotation", function())

Emitted when an annotation changes, like through EditSession.setAnnotations().

• EditSession.on("changeBackMarker", function())

Emitted when a back marker changes.

• EditSession.on("changeBreakpoint", function())

Emitted when the gutter changes, either by setting or removing breakpoints, or when the gutter decorations change.

• EditSession.on("changeFold", function())

Emitted when a code fold is added or removed.

• EditSession.on("changeFrontMarker", function())

Emitted when a front marker changes.

• EditSession.on("changeMode", function())

Emitted when the current mode changes.

• EditSession.on("changeOverwrite", function())

Emitted when the ability to overwrite text changes, via EditSession.setOverwrite().

• EditSession.on("changeScrollLeft", function(Number scrollLeft))

Emitted when the scroll left changes.

scrollLeft

Number

Required. The new scroll left value

• EditSession.on("changeScrollTop", function(Number scrollTop))

Emitted when the scroll top changes.

scrollTop

Number

Required. The new scroll top value

• EditSession.on("changeTabSize", function())

Emitted when the tab size changes, via EditSession.setTabSize().

• EditSession.on("changeWrapLimit", function())

Emitted when the wrapping limit changes.

• EditSession.on("changeWrapMode", function())

Emitted when the wrap mode changes.

• EditSession.on("tokenizerUpdate", function(Object e))

Emitted when a background tokenizer asynchronously processes new rows.

e

Object

Required. An object containing one property, "data", that contains information about the changing rows

Methods

• EditSession.addDynamicMarker(Object marker, Boolean inFront)
• 返回值： Object

Adds a dynamic marker to the session.

marker	Object	Required. Object with update method
inFront	Boolean	Required. Set to true to establish a front marker

• EditSession.addGutterDecoration(Number row, String className)

Adds className to the row, to be used for CSS stylings and whatnot.

row	Number	Required. The row number
className	String	Required. The class to add

• EditSession.addMarker(Range range, String clazz, Function | String type, Boolean inFront)
• 返回值： Number

Adds a new marker to the given Range. If inFront is true, a front marker is defined, and the 'changeFrontMarker' event fires; otherwise, the 'changeBackMarker' event fires.

range	Range	Required. Define the range of the marker
clazz	String	Required. Set the CSS class for the marker
type	Function | String	Required. Identify the type of the marker
inFront	Boolean	Required. Set to true to establish a front marker

• EditSession.clearAnnotations()

Clears all the annotations for this session. This function also triggers the 'changeAnnotation' event.

• EditSession.clearBreakpoint(Number row)

Removes a breakpoint on the row number given by rows. This function also emits the 'changeBreakpoint' event.

row

Number

Required. A row index

• EditSession.clearBreakpoints()

Removes all breakpoints on the rows. This function also emites the 'changeBreakpoint' event.

• EditSession.documentToScreenColumn(Number row, Number docColumn)
• 返回值： Number

For the given document row and column, returns the screen column.

row	Number	Required.
docColumn	Number	Required.

• EditSession.documentToScreenPosition(Number docRow, Number docColumn)
• 返回值： Object

Converts document coordinates to screen coordinates. This takes into account code folding, word wrap, tab size, and any other visual modifications.

docRow	Number	Required. The document row to check
docColumn	Number	Required. The document column to check

• EditSession.documentToScreenRow(Number docRow, Number docColumn)

For the given document row and column, returns the screen row.

docRow	Number	Required.
docColumn	Number	Required.

• EditSession.duplicateLines(Number firstRow, Number lastRow)
• 返回值： Number

Duplicates all the text between firstRow and lastRow.

firstRow	Number	Required. The starting row to duplicate
lastRow	Number	Required. The final row to duplicate

• EditSession.getAnnotations()
• 返回值： Object

Returns the annotations for the EditSession.

• EditSession.getAWordRange(Number row, Number column)
• 返回值： Range

Gets the range of a word, including its right whitespace.

row	Number	Required. The row number to start from
column	Number	Required. The column number to start from

• EditSession.getBreakpoints()
• 返回值： Number

Returns an array of numbers, indicating which rows have breakpoints.

• EditSession.getDocument()
• 返回值： Document

Returns the Document associated with this session.

• EditSession.getDocumentLastRowColumn(Number docRow, Number docColumn)

For the given document row and column, this returns the column position of the last screen row.

docRow	Number	Required.
docColumn	Number	Required.

• EditSession.getDocumentLastRowColumnPosition(Number docRow, Number docColumn)

For the given document row and column, this returns the document position of the last row.

docRow	Number	Required.
docColumn	Number	Required.

• EditSession.getLength()
• 返回值： Number

Returns the number of rows in the document.

• EditSession.getLine(Number row)
• 返回值： String

Returns a verbatim copy of the given line as it is in the document

row

Number

Required. The row to retrieve from

• EditSession.getLines(Number firstRow, Number lastRow)
• 返回值： String

Returns an array of strings of the rows between firstRow and lastRow. This function is inclusive of lastRow.

firstRow	Number	Required. The first row index to retrieve
lastRow	Number	Required. The final row index to retrieve

• EditSession.getMarkers(Boolean inFront)
• 返回值： Array

Returns an array containing the IDs of all the markers, either front or back.

inFront

Boolean

Required. If true, indicates you only want front markers; false indicates only back markers

• EditSession.getMode()
• 返回值： TextMode

Returns the current text mode.

• EditSession.getNewLineMode()
• 返回值： String

Returns the current new line mode.

• EditSession.getOverwrite()

Returns true if overwrites are enabled; false otherwise.

• EditSession.getRowLength(Number row)
• 返回值： Number

Returns number of screenrows in a wrapped line.

row

Number

Required. The row number to check

• EditSession.getRowSplitData(Object row)
• 返回值： String

For the given row, this returns the split data.

row

Object

Required.

• EditSession.getScreenLastRowColumn(Number screenRow)
• 返回值： Number

Returns the position (on screen) for the last character in the provided screen row.

screenRow

Number

Required. The screen row to check

• EditSession.getScreenLength()
• 返回值： Number

Returns the length of the screen.

• EditSession.getScreenTabSize(Number screenColumn)
• 返回值： Number

The distance to the next tab stop at the specified screen column.

screenColumn

Number

Required. The screen column to check

• EditSession.getScreenWidth()
• 返回值： Number

Returns the width of the screen.

• EditSession.getScrollLeft()
• 返回值： Number

Returns the value of the distance between the left of the editor and the leftmost part of the visible content.

• EditSession.getScrollTop()
• 返回值： Number

Returns the value of the distance between the top of the editor and the topmost part of the visible content.

• EditSession.getSelection()

Returns selection object.

• EditSession.getState(Number row)

Returns the state of tokenization at the end of a row.

row

Number

Required. The row to start at

• EditSession.getTabSize()

Returns the current tab size.

• EditSession.getTabString()

Returns the current value for tabs. If the user is using soft tabs, this will be a series of spaces (defined by getTabSize()); otherwise it's simply '\t'.

• EditSession.getTextRange(Range range)
• 返回值： String

Given a range within the document, this function returns all the text within that range as a single string.

range

Range

Required. The range to work with

• EditSession.getTokenAt(Number row, Number column)

Returns an object indicating the token at the current row. The object has two properties: index and start.

row	Number	Required. The row number to retrieve from
column	Number	Required. The column number to retrieve from

• EditSession.getTokens(Number row)

Starts tokenizing at the row indicated. Returns a list of objects of the tokenized rows.

row

Number

Required. The row to start at

• EditSession.getUndoManager()

Returns the current undo manager.

• EditSession.getUseSoftTabs()
• 返回值： Boolean

Returns true if soft tabs are being used, false otherwise.

• EditSession.getUseWorker()

Returns true if workers are being used.

• EditSession.getUseWrapMode()
• 返回值： Boolean

Returns true if wrap mode is being used; false otherwise.

• EditSession.getValue()
• 返回值： String

Returns the current Document as a string.

• EditSession.getWordRange(Number row, Number column)
• 返回值： Range

Given a starting row and column, this method returns the Range of the first word boundary it finds.

row	Number	Required. The row to start at
column	Number	Required. The column to start at

• EditSession.getWrapLimit()
• 返回值： Number

Returns the value of wrap limit.

• EditSession.getWrapLimitRange()
• 返回值： Object

Returns an object that defines the minimum and maximum of the wrap limit; it looks something like this:

{ min: wrapLimitRange_min, max: wrapLimitRange_max }

• EditSession.highlight()

• Undocumented

• EditSession.highlightLines()

• Undocumented

• EditSession.indentRows(Number startRow, Number endRow, String indentString)

Indents all the rows, from startRow to endRow (inclusive), by prefixing each row with the token in indentString.

If indentString contains the '\t' character, it's replaced by whatever is defined by getTabString().

startRow	Number	Required. Starting row
endRow	Number	Required. Ending row
indentString	String	Required. The indent token

• EditSession.insert(Object position, String text)
• 返回值： Object

Inserts a block of text and the indicated position.

position	Object	Required. The position {row, column} to start inserting at
text	String	Required. A chunk of text to insert

• EditSession.isTabStop(Object position)

Returns true if the character at the position is a soft tab.

position

Object

Required. The position to check

• EditSession.moveLinesDown(Number firstRow, Number lastRow)
• 返回值： Number

Shifts all the lines in the document down one, starting from firstRow and ending at lastRow.

firstRow	Number	Required. The starting row to move down
lastRow	Number	Required. The final row to move down

• EditSession.moveLinesUp(Number firstRow, Number lastRow)
• 返回值： Number

Shifts all the lines in the document up one, starting from firstRow and ending at lastRow.

firstRow	Number	Required. The starting row to move up
lastRow	Number	Required. The final row to move up

• EditSession.moveText(Range fromRange, Object toPosition)
• 返回值： Range

Moves a range of text from the given range to the given position. toPosition is an object that looks like this:

   { row: newRowLocation, column: newColumnLocation }

fromRange	Range	Required. The range of text you want moved within the document
toPosition	Object	Required. The location (row and column) where you want to move the text to

• EditSession.onChange()

• Undocumented

• EditSession.onChangeFold()

• Undocumented

• EditSession.onReloadTokenizer(Object e)

Reloads all the tokens on the current session. This function calls BackgroundTokenizer.start () to all the rows; it also emits the 'tokenizerUpdate' event.

e

Object

Required.

• EditSession.outdentRows(Range range)

Outdents all the rows defined by the start and end properties of range.

range

Range

Required. A range of rows

• EditSession.redo()

• Undocumented

• EditSession.redoChanges(Array deltas, Boolean dontSelect)
• 返回值： Range

Re-implements a previously undone change to your document.

deltas	Array	Required. An array of previous changes
dontSelect	Boolean	Required. If true, doesn't select the range of where the change occurred

• EditSession.remove(Range range)
• 返回值： Object

Removes the range from the document.

range

Range

Required. A specified Range to remove

• EditSession.removeGutterDecoration(Number row, String className)

Removes className from the row.

row	Number	Required. The row number
className	String	Required. The class to add

• EditSession.removeMarker(Number markerId)

Removes the marker with the specified ID. If this marker was in front, the 'changeFrontMarker' event is emitted. If the marker was in the back, the 'changeBackMarker' event is emitted.

markerId

Number

Required. A number representing a marker

• EditSession.replace(Range range, String text)
• 返回值： Object

Replaces a range in the document with the new text.

range	Range	Required. A specified Range to replace
text	String	Required. The new text to use as a replacement

• EditSession.reset()

• Undocumented

• EditSession.resetCaches()

• Undocumented

• EditSession.screenToDocumentColumn()

• Undocumented

• EditSession.screenToDocumentPosition(Number screenRow, Number screenColumn)
• 返回值： Object

Converts characters coordinates on the screen to characters coordinates within the document. This takes into account code folding, word wrap, tab size, and any other visual modifications.

screenRow	Number	Required. The screen row to check
screenColumn	Number	Required. The screen column to check

• EditSession.screenToDocumentRow()

• Undocumented

• EditSession.setAnnotations(Array annotations)

Sets annotations for the EditSession. This functions emits the 'changeAnnotation' event.

annotations

Array

Required. A list of annotations

• EditSession.setBreakpoint(Number row, String className)

Sets a breakpoint on the row number given by rows. This function also emites the 'changeBreakpoint' event.

row	Number	Required. A row index
className	String	Required. Class of the breakpoint

• EditSession.setBreakpoints(Array rows)

Sets a breakpoint on every row number given by rows. This function also emites the 'changeBreakpoint' event.

rows

Array

Required. An array of row indices

• EditSession.setDocument(Document doc)

Sets the EditSession to point to a new Document. If a BackgroundTokenizer exists, it also points to doc.

doc

Document

Required. The new Document to use

• EditSession.setMode()

• Undocumented

• EditSession.setNewLineMode(String newLineMode)

Sets the new line mode.

newLineMode

String

Required. The newline mode to use; can be either windows, unix, or auto

• EditSession.setOverwrite(Boolean overwrite)

Pass in true to enable overwrites in your session, or false to disable.

If overwrites is enabled, any text you enter will type over any text after it. If the value of overwrite changes, this function also emits the changeOverwrite event.

overwrite

Boolean

Required. Defines wheter or not to set overwrites

• EditSession.setScrollLeft(Object scrollLeft)

Sets the value of the distance between the left of the editor and the leftmost part of the visible content.

scrollLeft

Object

Required.

• EditSession.setScrollTop(Number scrollTop)

This function sets the scroll top value. It also emits the 'changeScrollTop' event.

scrollTop

Number

Required. The new scroll top value

• EditSession.setTabSize(Number tabSize)

Set the number of spaces that define a soft tab; for example, passing in 4 transforms the soft tabs to be equivalent to four spaces. This function also emits the changeTabSize event.

tabSize

Number

Required. The new tab size

• EditSession.setUndoManager(UndoManager undoManager)

Sets the undo manager.

undoManager

UndoManager

Required. The new undo manager

• EditSession.setUndoSelect(Boolean enable)

Enables or disables highlighting of the range where an undo occured.

enable

Boolean

Required. If true, selects the range of the reinserted change

• EditSession.setUseSoftTabs(Boolean useSoftTabs)

Pass true to enable the use of soft tabs. Soft tabs means you're using spaces instead of the tab character ('\t').

useSoftTabs

Boolean

Required. Value indicating whether or not to use soft tabs

• EditSession.setUseWorker(Boolean useWorker)

Identifies if you want to use a worker for the EditSession.

useWorker

Boolean

Required. Set to true to use a worker

• EditSession.setUseWrapMode(Boolean useWrapMode)

Sets whether or not line wrapping is enabled. If useWrapMode is different than the current value, the 'changeWrapMode' event is emitted.

useWrapMode

Boolean

Required. Enable (or disable) wrap mode

• EditSession.setValue(String text)

Sets the session text.

text

String

Required. The new text to place

• EditSession.setWrapLimitRange(Number min, Number max)

Sets the boundaries of wrap. Either value can be null to have an unconstrained wrap, or, they can be the same number to pin the limit. If the wrap limits for min or max are different, this method also emits the 'changeWrapMode' event.

min	Number	Required. The minimum wrap value (the left side wrap)
max	Number	Required. The maximum wrap value (the right side wrap)

• EditSession.toggleOverwrite()

Sets the value of overwrite to the opposite of whatever it currently is.

• EditSession.toString()
• 返回值： String

Returns the current Document as a string.

• EditSession.undo()

• Undocumented

• EditSession.undoChanges(Array deltas, Boolean dontSelect)
• 返回值： Range

Reverts previous changes to your document.

deltas	Array	Required. An array of previous changes
dontSelect	Boolean	Required. If true, doesn't select the range of where the change occurred