Add basic top/bottom cursor/selection commands

spec/atom/editor-spec.coffee

@@ -196,6 +196,22 @@ describe "Editor", ->
       expect(editor.gutter).not.toHaveClass('drop-shadow')
 
   describe "cursor movement", ->
+    describe "move-to-top ", ->
+      it "moves cusor to the top of the buffer", ->
+        editor.setCursorScreenPosition [11,1]
+        editor.addCursorAtScreenPosition [12,0]
+        editor.trigger 'move-to-top'
+        expect(editor.getCursors().length).toBe 1
+        expect(editor.getCursorBufferPosition()).toEqual [0,0]
+
+    describe "move-to-bottom", ->
+      it "moves cusor to the bottom of the buffer", ->
+        editor.setCursorScreenPosition [0,0]
+        editor.addCursorAtScreenPosition [1,0]
+        editor.trigger 'move-to-bottom'
+        expect(editor.getCursors().length).toBe 1
+        expect(editor.getCursorBufferPosition()).toEqual [12,2]
+
     describe ".setCursorScreenPosition({row, column})", ->
       beforeEach ->
         editor.attachToDom()
@@ -783,6 +799,26 @@ describe "Editor", ->
         expect(range.end).toEqual({row: 5, column: 27})
         expect(editor.getCursorScreenPosition()).toEqual(row: 5, column: 27)
 
+    describe "select-to-top", ->
+      it "selects text from cusor position to the top of the buffer", ->
+        editor.setCursorScreenPosition [11,2]
+        editor.addCursorAtScreenPosition [10,0]
+        editor.trigger 'select-to-top'
+        expect(editor.getCursors().length).toBe 1
+        expect(editor.getCursorBufferPosition()).toEqual [0,0]
+        expect(editor.getSelection().getBufferRange()).toEqual [[0,0], [11,2]]
+        expect(editor.getSelection().isReversed()).toBeTruthy()
+
+    describe "select-to-bottom", ->
+      it "selects text from cusor position to the bottom of the buffer", ->
+        editor.setCursorScreenPosition [10,0]
+        editor.addCursorAtScreenPosition [9,3]
+        editor.trigger 'select-to-bottom'
+        expect(editor.getCursors().length).toBe 1
+        expect(editor.getCursorBufferPosition()).toEqual [12,2]
+        expect(editor.getSelection().getBufferRange()).toEqual [[9,3], [12,2]]
+        expect(editor.getSelection().isReversed()).toBeFalsy()
+
   describe "multiple cursors", ->
     it "places multiple cursor with meta-click", ->
       editor.attachToDom()

src/atom/composite-cursor.coffee

@@ -60,6 +60,12 @@ class CompositeCursor
   moveToNextWord: ->
     @modifyCursors (cursor) -> cursor.moveToNextWord()
 
+  moveToTop: ->
+    @modifyCursors (cursor) -> cursor.moveToTop()
+
+  moveToBottom: ->
+    @modifyCursors (cursor) -> cursor.moveToBottom()
+
   handleBufferChange: (e) ->
     @modifyCursors (cursor) -> cursor.handleBufferChange(e)
 

src/atom/composite-selection.coffee

@@ -79,6 +79,14 @@ class CompositeSeleciton
     selection.selectDown() for selection in @getSelections()
     @mergeIntersectingSelections()
 
+  selectToTop: ->
+    selection.selectToTop() for selection in @getSelections()
+    @mergeIntersectingSelections reverse: true
+
+  selectToBottom: ->
+    selection.selectToBottom() for selection in @getSelections()
+    @mergeIntersectingSelections()
+
   setBufferRange: (bufferRange, options) ->
     @getLastSelection().setBufferRange(bufferRange, options)
 

src/atom/cursor.coffee

@@ -139,6 +139,12 @@ class Cursor extends View
 
     @setScreenPosition({row, column})
 
+  moveToTop: ->
+    @setBufferPosition [0,0]
+
+  moveToBottom: ->
+    @setBufferPosition @editor.getEofPosition()
+
   moveLeftUntilMatch: (regex) ->
     row = @getScreenRow()
     column = @getScreenColumn()

src/atom/editor.coffee

@@ -42,6 +42,7 @@ class Editor extends View
     requireStylesheet 'editor.css'
     requireStylesheet 'theme/twilight.css'
     require 'keybindings/emacs'
+    require 'keybindings/apple'
 
     @id = Editor.idCounter++
     @editSessionsByBufferId = {}
@@ -103,6 +104,11 @@ class Editor extends View
     @on 'split-down', => @splitDown()
     @on 'close', => @remove(); false
 
+    @on 'move-to-top', => @moveCursorToTop()
+    @on 'select-to-top', => @selectToTop()
+    @on 'move-to-bottom', => @moveCursorToBottom()
+    @on 'select-to-bottom', => @selectToBottom()
+
   buildCursorAndSelection: ->
     @compositeSelection = new CompositeSelection(this)
     @compositeCursor = new CompositeCursor(this)
@@ -357,6 +363,8 @@ class Editor extends View
   moveCursorRight: -> @compositeCursor.moveRight()
   moveCursorLeft: -> @compositeCursor.moveLeft()
   moveCursorToNextWord: -> @compositeCursor.moveToNextWord()
+  moveCursorToTop: -> @compositeCursor.moveToTop()
+  moveCursorToBottom: -> @compositeCursor.moveToBottom()
   setCursorScreenPosition: (position) -> @compositeCursor.setScreenPosition(position)
   getCursorScreenPosition: -> @compositeCursor.getCursor().getScreenPosition()
   setCursorBufferPosition: (position) -> @compositeCursor.setBufferPosition(position)
@@ -372,6 +380,8 @@ class Editor extends View
   selectLeft: -> @compositeSelection.selectLeft()
   selectUp: -> @compositeSelection.selectUp()
   selectDown: -> @compositeSelection.selectDown()
+  selectToTop: -> @compositeSelection.selectToTop()
+  selectToBottom: -> @compositeSelection.selectToBottom()
   selectToScreenPosition: (position) -> @compositeSelection.selectToScreenPosition(position)
   clearSelections: -> @compositeSelection.clearSelections()
 

src/atom/keybindings/apple.coffee

@@ -0,0 +1,6 @@
+window.keymap.bindKeys '.editor'
+  'meta-up': 'move-to-top'
+  'meta-shift-up': 'select-to-top'
+  'meta-down': 'move-to-bottom'
+  'meta-shift-down': 'select-to-bottom'
+  'alt-up': 'move-to-start-of-paragraph'

src/atom/selection.coffee

@@ -212,6 +212,14 @@ class Selection extends View
     @modifySelection =>
       @cursor.moveDown()
 
+  selectToTop: ->
+    @modifySelection =>
+      @cursor.moveToTop()
+
+  selectToBottom: ->
+    @modifySelection =>
+      @cursor.moveToBottom()
+
   selectLeftUntilMatch: (regex) ->
     @modifySelection =>
       @cursor.moveLeftUntilMatch(regex)