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1 | {Operator, Delete} = require './general-operators' | |
2 | _ = require 'underscore-plus' | |
3 | settings = require '../settings' | |
4 | ||
5 | # The operation for text entered in input mode. Broadly speaking, input | |
6 | # operators manage an undo transaction and set a @typingCompleted variable when | |
7 | # it's done. When the input operation is completed, the typingCompleted variable | |
8 | # tells the operation to repeat itself instead of enter insert mode. | |
9 | class Insert extends Operator | |
10 | standalone: true | |
11 | ||
12 | isComplete: -> @standalone or super | |
13 | ||
14 | confirmChanges: (changes) -> | |
15 | bundler = new TransactionBundler(changes, @editor) | |
16 | @typedText = bundler.buildInsertText() | |
17 | ||
18 | execute: -> | |
19 | if @typingCompleted | |
20 | return unless @typedText? and @typedText.length > 0 | |
21 | @editor.insertText(@typedText, normalizeLineEndings: true) | |
22 | for cursor in @editor.getCursors() | |
23 | cursor.moveLeft() unless cursor.isAtBeginningOfLine() | |
24 | else | |
25 | @vimState.activateInsertMode() | |
26 | @typingCompleted = true | |
27 | return | |
28 | ||
29 | inputOperator: -> true | |
30 | ||
31 | class InsertAfter extends Insert | |
32 | execute: -> | |
33 | @editor.moveRight() unless @editor.getLastCursor().isAtEndOfLine() | |
34 | super | |
35 | ||
36 | class InsertAfterEndOfLine extends Insert | |
37 | execute: -> | |
38 | @editor.moveToEndOfLine() | |
39 | super | |
40 | ||
41 | class InsertAtBeginningOfLine extends Insert | |
42 | execute: -> | |
43 | @editor.moveToBeginningOfLine() | |
44 | @editor.moveToFirstCharacterOfLine() | |
45 | super | |
46 | ||
47 | class InsertAboveWithNewline extends Insert | |
48 | execute: (count=1) -> | |
49 | @vimState.setInsertionCheckpoint() unless @typingCompleted | |
50 | @editor.insertNewlineAbove() | |
51 | @editor.getLastCursor().skipLeadingWhitespace() | |
52 | ||
53 | if @typingCompleted | |
54 | # We'll have captured the inserted newline, but we want to do that | |
55 | # over again by hand, or differing indentations will be wrong. | |
56 | @typedText = @typedText.trimLeft() | |
57 | return super | |
58 | ||
59 | @vimState.activateInsertMode() | |
60 | @typingCompleted = true | |
61 | ||
62 | class InsertBelowWithNewline extends Insert | |
63 | execute: (count=1) -> | |
64 | @vimState.setInsertionCheckpoint() unless @typingCompleted | |
65 | @editor.insertNewlineBelow() | |
66 | @editor.getLastCursor().skipLeadingWhitespace() | |
67 | ||
68 | if @typingCompleted | |
69 | # We'll have captured the inserted newline, but we want to do that | |
70 | # over again by hand, or differing indentations will be wrong. | |
71 | @typedText = @typedText.trimLeft() | |
72 | return super | |
73 | ||
74 | @vimState.activateInsertMode() | |
75 | @typingCompleted = true | |
76 | ||
77 | # | |
78 | # Delete the following motion and enter insert mode to replace it. | |
79 | # | |
80 | class Change extends Insert | |
81 | standalone: false | |
82 | register: null | |
83 | ||
84 | constructor: (@editor, @vimState, {@selectOptions}={}) -> | |
85 | @register = settings.defaultRegister() | |
86 | ||
87 | # Public: Changes the text selected by the given motion. | |
88 | # | |
89 | # count - The number of times to execute. | |
90 | # | |
91 | # Returns nothing. | |
92 | execute: (count) -> | |
93 | # If we've typed, we're being repeated. If we're being repeated, | |
94 | # undo transactions are already handled. | |
95 | @vimState.setInsertionCheckpoint() unless @typingCompleted | |
96 | ||
97 | if _.contains(@motion.select(count, excludeWhitespace: true), true) | |
98 | @setTextRegister(@register, @editor.getSelectedText()) | |
99 | if @motion.isLinewise?() | |
100 | @editor.insertNewline() | |
101 | @editor.moveLeft() | |
102 | else | |
103 | for selection in @editor.getSelections() | |
104 | selection.deleteSelectedText() | |
105 | ||
106 | return super if @typingCompleted | |
107 | ||
108 | @vimState.activateInsertMode() | |
109 | @typingCompleted = true | |
110 | ||
111 | class Substitute extends Insert | |
112 | register: null | |
113 | ||
114 | constructor: (@editor, @vimState, {@selectOptions}={}) -> | |
115 | @register = settings.defaultRegister() | |
116 | ||
117 | execute: (count=1) -> | |
118 | @vimState.setInsertionCheckpoint() unless @typingCompleted | |
119 | _.times count, => | |
120 | @editor.selectRight() | |
121 | @setTextRegister(@register, @editor.getSelectedText()) | |
122 | @editor.delete() | |
123 | ||
124 | if @typingCompleted | |
125 | @typedText = @typedText.trimLeft() | |
126 | return super | |
127 | ||
128 | @vimState.activateInsertMode() | |
129 | @typingCompleted = true | |
130 | ||
131 | class SubstituteLine extends Insert | |
132 | register: null | |
133 | ||
134 | constructor: (@editor, @vimState, {@selectOptions}={}) -> | |
135 | @register = settings.defaultRegister() | |
136 | ||
137 | execute: (count=1) -> | |
138 | @vimState.setInsertionCheckpoint() unless @typingCompleted | |
139 | @editor.moveToBeginningOfLine() | |
140 | _.times count, => | |
141 | @editor.selectToEndOfLine() | |
142 | @editor.selectRight() | |
143 | @setTextRegister(@register, @editor.getSelectedText()) | |
144 | @editor.delete() | |
145 | @editor.insertNewlineAbove() | |
146 | @editor.getLastCursor().skipLeadingWhitespace() | |
147 | ||
148 | if @typingCompleted | |
149 | @typedText = @typedText.trimLeft() | |
150 | return super | |
151 | ||
152 | @vimState.activateInsertMode() | |
153 | @typingCompleted = true | |
154 | ||
155 | # Takes a transaction and turns it into a string of what was typed. | |
156 | # This class is an implementation detail of Insert | |
157 | class TransactionBundler | |
158 | constructor: (@changes, @editor) -> | |
159 | @start = null | |
160 | @end = null | |
161 | ||
162 | buildInsertText: -> | |
163 | @addChange(change) for change in @changes | |
164 | if @start? | |
165 | @editor.getTextInBufferRange [@start, @end] | |
166 | else | |
167 | "" | |
168 | ||
169 | addChange: (change) -> | |
170 | return unless change.newRange? | |
171 | if @isRemovingFromPrevious(change) | |
172 | @subtractRange change.oldRange | |
173 | if @isAddingWithinPrevious(change) | |
174 | @addRange change.newRange | |
175 | ||
176 | isAddingWithinPrevious: (change) -> | |
177 | return false unless @isAdding(change) | |
178 | ||
179 | return true if @start is null | |
180 | ||
181 | @start.isLessThanOrEqual(change.newRange.start) and | |
182 | @end.isGreaterThanOrEqual(change.newRange.start) | |
183 | ||
184 | isRemovingFromPrevious: (change) -> | |
185 | return false unless @isRemoving(change) and @start? | |
186 | ||
187 | @start.isLessThanOrEqual(change.oldRange.start) and | |
188 | @end.isGreaterThanOrEqual(change.oldRange.end) | |
189 | ||
190 | isAdding: (change) -> | |
191 | change.newText.length > 0 | |
192 | ||
193 | isRemoving: (change) -> | |
194 | change.oldText.length > 0 | |
195 | ||
196 | addRange: (range) -> | |
197 | if @start is null | |
198 | {@start, @end} = range | |
199 | return | |
200 | ||
201 | rows = range.end.row - range.start.row | |
202 | ||
203 | if (range.start.row is @end.row) | |
204 | cols = range.end.column - range.start.column | |
205 | else | |
206 | cols = 0 | |
207 | ||
208 | @end = @end.translate [rows, cols] | |
209 | ||
210 | subtractRange: (range) -> | |
211 | rows = range.end.row - range.start.row | |
212 | ||
213 | if (range.end.row is @end.row) | |
214 | cols = range.end.column - range.start.column | |
215 | else | |
216 | cols = 0 | |
217 | ||
218 | @end = @end.translate [-rows, -cols] | |
219 | ||
220 | ||
221 | module.exports = { | |
222 | Insert, | |
223 | InsertAfter, | |
224 | InsertAfterEndOfLine, | |
225 | InsertAtBeginningOfLine, | |
226 | InsertAboveWithNewline, | |
227 | InsertBelowWithNewline, | |
228 | Change, | |
229 | Substitute, | |
230 | SubstituteLine | |
231 | } |