| author | ymh <ymh.work@gmail.com> |
| Mon, 14 Oct 2019 17:39:30 +0200 | |
| changeset 7 | cf61fcea0001 |
| parent 5 | 5e2f62d02dcd |
| child 9 | 177826044cd9 |
| permissions | -rw-r--r-- |
| 5 | 1 |
/* global isRtl */ |
2 |
/** |
|
3 |
* @file Revisions interface functions, Backbone classes and |
|
4 |
* the revisions.php document.ready bootstrap. |
|
5 |
* |
|
6 |
*/ |
|
7 |
||
| 0 | 8 |
window.wp = window.wp || {}; |
9 |
||
10 |
(function($) { |
|
11 |
var revisions; |
|
| 5 | 12 |
/** |
13 |
* Expose the module in window.wp.revisions. |
|
14 |
*/ |
|
| 0 | 15 |
revisions = wp.revisions = { model: {}, view: {}, controller: {} }; |
16 |
||
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
17 |
// Link post revisions data served from the back end. |
| 5 | 18 |
revisions.settings = window._wpRevisionsSettings || {}; |
| 0 | 19 |
|
20 |
// For debugging |
|
21 |
revisions.debug = false; |
|
22 |
||
| 5 | 23 |
/** |
24 |
* wp.revisions.log |
|
25 |
* |
|
26 |
* A debugging utility for revisions. Works only when a |
|
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
27 |
* debug flag is on and the browser supports it. |
| 5 | 28 |
*/ |
| 0 | 29 |
revisions.log = function() { |
| 5 | 30 |
if ( window.console && revisions.debug ) { |
31 |
window.console.log.apply( window.console, arguments ); |
|
32 |
} |
|
| 0 | 33 |
}; |
34 |
||
35 |
// Handy functions to help with positioning |
|
36 |
$.fn.allOffsets = function() { |
|
37 |
var offset = this.offset() || {top: 0, left: 0}, win = $(window); |
|
38 |
return _.extend( offset, { |
|
39 |
right: win.width() - offset.left - this.outerWidth(), |
|
40 |
bottom: win.height() - offset.top - this.outerHeight() |
|
41 |
}); |
|
42 |
}; |
|
43 |
||
44 |
$.fn.allPositions = function() { |
|
45 |
var position = this.position() || {top: 0, left: 0}, parent = this.parent(); |
|
46 |
return _.extend( position, { |
|
47 |
right: parent.outerWidth() - position.left - this.outerWidth(), |
|
48 |
bottom: parent.outerHeight() - position.top - this.outerHeight() |
|
49 |
}); |
|
50 |
}; |
|
51 |
||
52 |
/** |
|
53 |
* ======================================================================== |
|
54 |
* MODELS |
|
55 |
* ======================================================================== |
|
56 |
*/ |
|
57 |
revisions.model.Slider = Backbone.Model.extend({ |
|
58 |
defaults: { |
|
59 |
value: null, |
|
60 |
values: null, |
|
61 |
min: 0, |
|
62 |
max: 1, |
|
63 |
step: 1, |
|
64 |
range: false, |
|
65 |
compareTwoMode: false |
|
66 |
}, |
|
67 |
||
68 |
initialize: function( options ) { |
|
69 |
this.frame = options.frame; |
|
70 |
this.revisions = options.revisions; |
|
71 |
||
72 |
// Listen for changes to the revisions or mode from outside |
|
73 |
this.listenTo( this.frame, 'update:revisions', this.receiveRevisions ); |
|
74 |
this.listenTo( this.frame, 'change:compareTwoMode', this.updateMode ); |
|
75 |
||
76 |
// Listen for internal changes |
|
| 5 | 77 |
this.on( 'change:from', this.handleLocalChanges ); |
78 |
this.on( 'change:to', this.handleLocalChanges ); |
|
79 |
this.on( 'change:compareTwoMode', this.updateSliderSettings ); |
|
80 |
this.on( 'update:revisions', this.updateSliderSettings ); |
|
| 0 | 81 |
|
82 |
// Listen for changes to the hovered revision |
|
| 5 | 83 |
this.on( 'change:hoveredRevision', this.hoverRevision ); |
| 0 | 84 |
|
85 |
this.set({ |
|
86 |
max: this.revisions.length - 1, |
|
87 |
compareTwoMode: this.frame.get('compareTwoMode'), |
|
88 |
from: this.frame.get('from'), |
|
89 |
to: this.frame.get('to') |
|
90 |
}); |
|
91 |
this.updateSliderSettings(); |
|
92 |
}, |
|
93 |
||
94 |
getSliderValue: function( a, b ) { |
|
95 |
return isRtl ? this.revisions.length - this.revisions.indexOf( this.get(a) ) - 1 : this.revisions.indexOf( this.get(b) ); |
|
96 |
}, |
|
97 |
||
98 |
updateSliderSettings: function() { |
|
99 |
if ( this.get('compareTwoMode') ) { |
|
100 |
this.set({ |
|
101 |
values: [ |
|
102 |
this.getSliderValue( 'to', 'from' ), |
|
103 |
this.getSliderValue( 'from', 'to' ) |
|
104 |
], |
|
105 |
value: null, |
|
106 |
range: true // ensures handles cannot cross |
|
107 |
}); |
|
108 |
} else { |
|
109 |
this.set({ |
|
110 |
value: this.getSliderValue( 'to', 'to' ), |
|
111 |
values: null, |
|
112 |
range: false |
|
113 |
}); |
|
114 |
} |
|
115 |
this.trigger( 'update:slider' ); |
|
116 |
}, |
|
117 |
||
118 |
// Called when a revision is hovered |
|
119 |
hoverRevision: function( model, value ) { |
|
120 |
this.trigger( 'hovered:revision', value ); |
|
121 |
}, |
|
122 |
||
123 |
// Called when `compareTwoMode` changes |
|
124 |
updateMode: function( model, value ) { |
|
125 |
this.set({ compareTwoMode: value }); |
|
126 |
}, |
|
127 |
||
128 |
// Called when `from` or `to` changes in the local model |
|
129 |
handleLocalChanges: function() { |
|
130 |
this.frame.set({ |
|
131 |
from: this.get('from'), |
|
132 |
to: this.get('to') |
|
133 |
}); |
|
134 |
}, |
|
135 |
||
136 |
// Receives revisions changes from outside the model |
|
137 |
receiveRevisions: function( from, to ) { |
|
138 |
// Bail if nothing changed |
|
| 5 | 139 |
if ( this.get('from') === from && this.get('to') === to ) { |
| 0 | 140 |
return; |
| 5 | 141 |
} |
| 0 | 142 |
|
143 |
this.set({ from: from, to: to }, { silent: true }); |
|
144 |
this.trigger( 'update:revisions', from, to ); |
|
145 |
} |
|
146 |
||
147 |
}); |
|
148 |
||
149 |
revisions.model.Tooltip = Backbone.Model.extend({ |
|
150 |
defaults: { |
|
151 |
revision: null, |
|
152 |
offset: {}, |
|
153 |
hovering: false, // Whether the mouse is hovering |
|
154 |
scrubbing: false // Whether the mouse is scrubbing |
|
155 |
}, |
|
156 |
||
157 |
initialize: function( options ) { |
|
158 |
this.frame = options.frame; |
|
159 |
this.revisions = options.revisions; |
|
160 |
this.slider = options.slider; |
|
161 |
||
162 |
this.listenTo( this.slider, 'hovered:revision', this.updateRevision ); |
|
163 |
this.listenTo( this.slider, 'change:hovering', this.setHovering ); |
|
164 |
this.listenTo( this.slider, 'change:scrubbing', this.setScrubbing ); |
|
165 |
}, |
|
166 |
||
167 |
||
168 |
updateRevision: function( revision ) { |
|
169 |
this.set({ revision: revision }); |
|
170 |
}, |
|
171 |
||
172 |
setHovering: function( model, value ) { |
|
173 |
this.set({ hovering: value }); |
|
174 |
}, |
|
175 |
||
176 |
setScrubbing: function( model, value ) { |
|
177 |
this.set({ scrubbing: value }); |
|
178 |
} |
|
179 |
}); |
|
180 |
||
181 |
revisions.model.Revision = Backbone.Model.extend({}); |
|
182 |
||
| 5 | 183 |
/** |
184 |
* wp.revisions.model.Revisions |
|
185 |
* |
|
186 |
* A collection of post revisions. |
|
187 |
*/ |
|
| 0 | 188 |
revisions.model.Revisions = Backbone.Collection.extend({ |
189 |
model: revisions.model.Revision, |
|
190 |
||
191 |
initialize: function() { |
|
192 |
_.bindAll( this, 'next', 'prev' ); |
|
193 |
}, |
|
194 |
||
195 |
next: function( revision ) { |
|
196 |
var index = this.indexOf( revision ); |
|
197 |
||
| 5 | 198 |
if ( index !== -1 && index !== this.length - 1 ) { |
| 0 | 199 |
return this.at( index + 1 ); |
| 5 | 200 |
} |
| 0 | 201 |
}, |
202 |
||
203 |
prev: function( revision ) { |
|
204 |
var index = this.indexOf( revision ); |
|
205 |
||
| 5 | 206 |
if ( index !== -1 && index !== 0 ) { |
| 0 | 207 |
return this.at( index - 1 ); |
| 5 | 208 |
} |
| 0 | 209 |
} |
210 |
}); |
|
211 |
||
212 |
revisions.model.Field = Backbone.Model.extend({}); |
|
213 |
||
214 |
revisions.model.Fields = Backbone.Collection.extend({ |
|
215 |
model: revisions.model.Field |
|
216 |
}); |
|
217 |
||
218 |
revisions.model.Diff = Backbone.Model.extend({ |
|
| 5 | 219 |
initialize: function() { |
| 0 | 220 |
var fields = this.get('fields'); |
221 |
this.unset('fields'); |
|
222 |
||
223 |
this.fields = new revisions.model.Fields( fields ); |
|
224 |
} |
|
225 |
}); |
|
226 |
||
227 |
revisions.model.Diffs = Backbone.Collection.extend({ |
|
228 |
initialize: function( models, options ) { |
|
229 |
_.bindAll( this, 'getClosestUnloaded' ); |
|
230 |
this.loadAll = _.once( this._loadAll ); |
|
231 |
this.revisions = options.revisions; |
|
| 5 | 232 |
this.postId = options.postId; |
| 0 | 233 |
this.requests = {}; |
234 |
}, |
|
235 |
||
236 |
model: revisions.model.Diff, |
|
237 |
||
238 |
ensure: function( id, context ) { |
|
| 5 | 239 |
var diff = this.get( id ), |
240 |
request = this.requests[ id ], |
|
241 |
deferred = $.Deferred(), |
|
242 |
ids = {}, |
|
243 |
from = id.split(':')[0], |
|
244 |
to = id.split(':')[1]; |
|
| 0 | 245 |
ids[id] = true; |
246 |
||
247 |
wp.revisions.log( 'ensure', id ); |
|
248 |
||
249 |
this.trigger( 'ensure', ids, from, to, deferred.promise() ); |
|
250 |
||
251 |
if ( diff ) { |
|
252 |
deferred.resolveWith( context, [ diff ] ); |
|
253 |
} else { |
|
254 |
this.trigger( 'ensure:load', ids, from, to, deferred.promise() ); |
|
255 |
_.each( ids, _.bind( function( id ) { |
|
256 |
// Remove anything that has an ongoing request |
|
| 5 | 257 |
if ( this.requests[ id ] ) { |
| 0 | 258 |
delete ids[ id ]; |
| 5 | 259 |
} |
| 0 | 260 |
// Remove anything we already have |
| 5 | 261 |
if ( this.get( id ) ) { |
| 0 | 262 |
delete ids[ id ]; |
| 5 | 263 |
} |
| 0 | 264 |
}, this ) ); |
265 |
if ( ! request ) { |
|
266 |
// Always include the ID that started this ensure |
|
267 |
ids[ id ] = true; |
|
268 |
request = this.load( _.keys( ids ) ); |
|
269 |
} |
|
270 |
||
271 |
request.done( _.bind( function() { |
|
272 |
deferred.resolveWith( context, [ this.get( id ) ] ); |
|
273 |
}, this ) ).fail( _.bind( function() { |
|
274 |
deferred.reject(); |
|
275 |
}) ); |
|
276 |
} |
|
277 |
||
278 |
return deferred.promise(); |
|
279 |
}, |
|
280 |
||
281 |
// Returns an array of proximal diffs |
|
282 |
getClosestUnloaded: function( ids, centerId ) { |
|
283 |
var self = this; |
|
284 |
return _.chain([0].concat( ids )).initial().zip( ids ).sortBy( function( pair ) { |
|
285 |
return Math.abs( centerId - pair[1] ); |
|
286 |
}).map( function( pair ) { |
|
287 |
return pair.join(':'); |
|
288 |
}).filter( function( diffId ) { |
|
289 |
return _.isUndefined( self.get( diffId ) ) && ! self.requests[ diffId ]; |
|
290 |
}).value(); |
|
291 |
}, |
|
292 |
||
293 |
_loadAll: function( allRevisionIds, centerId, num ) { |
|
| 5 | 294 |
var self = this, deferred = $.Deferred(), |
295 |
diffs = _.first( this.getClosestUnloaded( allRevisionIds, centerId ), num ); |
|
| 0 | 296 |
if ( _.size( diffs ) > 0 ) { |
297 |
this.load( diffs ).done( function() { |
|
298 |
self._loadAll( allRevisionIds, centerId, num ).done( function() { |
|
299 |
deferred.resolve(); |
|
300 |
}); |
|
301 |
}).fail( function() { |
|
302 |
if ( 1 === num ) { // Already tried 1. This just isn't working. Give up. |
|
303 |
deferred.reject(); |
|
304 |
} else { // Request fewer diffs this time |
|
305 |
self._loadAll( allRevisionIds, centerId, Math.ceil( num / 2 ) ).done( function() { |
|
306 |
deferred.resolve(); |
|
307 |
}); |
|
308 |
} |
|
309 |
}); |
|
310 |
} else { |
|
311 |
deferred.resolve(); |
|
312 |
} |
|
313 |
return deferred; |
|
314 |
}, |
|
315 |
||
316 |
load: function( comparisons ) { |
|
317 |
wp.revisions.log( 'load', comparisons ); |
|
318 |
// Our collection should only ever grow, never shrink, so remove: false |
|
| 5 | 319 |
return this.fetch({ data: { compare: comparisons }, remove: false }).done( function() { |
| 0 | 320 |
wp.revisions.log( 'load:complete', comparisons ); |
321 |
}); |
|
322 |
}, |
|
323 |
||
324 |
sync: function( method, model, options ) { |
|
325 |
if ( 'read' === method ) { |
|
326 |
options = options || {}; |
|
327 |
options.context = this; |
|
328 |
options.data = _.extend( options.data || {}, { |
|
329 |
action: 'get-revision-diffs', |
|
| 5 | 330 |
post_id: this.postId |
| 0 | 331 |
}); |
332 |
||
| 5 | 333 |
var deferred = wp.ajax.send( options ), |
334 |
requests = this.requests; |
|
| 0 | 335 |
|
336 |
// Record that we're requesting each diff. |
|
337 |
if ( options.data.compare ) { |
|
338 |
_.each( options.data.compare, function( id ) { |
|
339 |
requests[ id ] = deferred; |
|
340 |
}); |
|
341 |
} |
|
342 |
||
343 |
// When the request completes, clear the stored request. |
|
344 |
deferred.always( function() { |
|
345 |
if ( options.data.compare ) { |
|
346 |
_.each( options.data.compare, function( id ) { |
|
347 |
delete requests[ id ]; |
|
348 |
}); |
|
349 |
} |
|
350 |
}); |
|
351 |
||
352 |
return deferred; |
|
353 |
||
354 |
// Otherwise, fall back to `Backbone.sync()`. |
|
355 |
} else { |
|
356 |
return Backbone.Model.prototype.sync.apply( this, arguments ); |
|
357 |
} |
|
358 |
} |
|
359 |
}); |
|
360 |
||
361 |
||
| 5 | 362 |
/** |
363 |
* wp.revisions.model.FrameState |
|
364 |
* |
|
365 |
* The frame state. |
|
366 |
* |
|
367 |
* @see wp.revisions.view.Frame |
|
368 |
* |
|
369 |
* @param {object} attributes Model attributes - none are required. |
|
370 |
* @param {object} options Options for the model. |
|
371 |
* @param {revisions.model.Revisions} options.revisions A collection of revisions. |
|
372 |
*/ |
|
| 0 | 373 |
revisions.model.FrameState = Backbone.Model.extend({ |
374 |
defaults: { |
|
375 |
loading: false, |
|
376 |
error: false, |
|
377 |
compareTwoMode: false |
|
378 |
}, |
|
379 |
||
380 |
initialize: function( attributes, options ) { |
|
| 5 | 381 |
var state = this.get( 'initialDiffState' ); |
| 0 | 382 |
_.bindAll( this, 'receiveDiff' ); |
383 |
this._debouncedEnsureDiff = _.debounce( this._ensureDiff, 200 ); |
|
384 |
||
385 |
this.revisions = options.revisions; |
|
386 |
||
| 5 | 387 |
this.diffs = new revisions.model.Diffs( [], { |
388 |
revisions: this.revisions, |
|
389 |
postId: this.get( 'postId' ) |
|
390 |
} ); |
|
391 |
||
392 |
// Set the initial diffs collection. |
|
393 |
this.diffs.set( this.get( 'diffData' ) ); |
|
| 0 | 394 |
|
395 |
// Set up internal listeners |
|
396 |
this.listenTo( this, 'change:from', this.changeRevisionHandler ); |
|
397 |
this.listenTo( this, 'change:to', this.changeRevisionHandler ); |
|
398 |
this.listenTo( this, 'change:compareTwoMode', this.changeMode ); |
|
399 |
this.listenTo( this, 'update:revisions', this.updatedRevisions ); |
|
400 |
this.listenTo( this.diffs, 'ensure:load', this.updateLoadingStatus ); |
|
401 |
this.listenTo( this, 'update:diff', this.updateLoadingStatus ); |
|
402 |
||
| 5 | 403 |
// Set the initial revisions, baseUrl, and mode as provided through attributes. |
404 |
||
405 |
this.set( { |
|
406 |
to : this.revisions.get( state.to ), |
|
407 |
from : this.revisions.get( state.from ), |
|
408 |
compareTwoMode : state.compareTwoMode |
|
409 |
} ); |
|
| 0 | 410 |
|
411 |
// Start the router if browser supports History API |
|
412 |
if ( window.history && window.history.pushState ) { |
|
413 |
this.router = new revisions.Router({ model: this }); |
|
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
414 |
if ( Backbone.History.started ) { |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
415 |
Backbone.history.stop(); |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
416 |
} |
| 0 | 417 |
Backbone.history.start({ pushState: true }); |
418 |
} |
|
419 |
}, |
|
420 |
||
421 |
updateLoadingStatus: function() { |
|
422 |
this.set( 'error', false ); |
|
423 |
this.set( 'loading', ! this.diff() ); |
|
424 |
}, |
|
425 |
||
426 |
changeMode: function( model, value ) { |
|
| 5 | 427 |
var toIndex = this.revisions.indexOf( this.get( 'to' ) ); |
428 |
||
429 |
// If we were on the first revision before switching to two-handled mode, |
|
430 |
// bump the 'to' position over one |
|
431 |
if ( value && 0 === toIndex ) { |
|
| 0 | 432 |
this.set({ |
| 5 | 433 |
from: this.revisions.at( toIndex ), |
434 |
to: this.revisions.at( toIndex + 1 ) |
|
435 |
}); |
|
436 |
} |
|
437 |
||
438 |
// When switching back to single-handled mode, reset 'from' model to |
|
439 |
// one position before the 'to' model |
|
440 |
if ( ! value && 0 !== toIndex ) { // '! value' means switching to single-handled mode |
|
441 |
this.set({ |
|
442 |
from: this.revisions.at( toIndex - 1 ), |
|
443 |
to: this.revisions.at( toIndex ) |
|
| 0 | 444 |
}); |
445 |
} |
|
446 |
}, |
|
447 |
||
448 |
updatedRevisions: function( from, to ) { |
|
449 |
if ( this.get( 'compareTwoMode' ) ) { |
|
450 |
// TODO: compare-two loading strategy |
|
451 |
} else { |
|
452 |
this.diffs.loadAll( this.revisions.pluck('id'), to.id, 40 ); |
|
453 |
} |
|
454 |
}, |
|
455 |
||
456 |
// Fetch the currently loaded diff. |
|
457 |
diff: function() { |
|
458 |
return this.diffs.get( this._diffId ); |
|
459 |
}, |
|
460 |
||
461 |
// So long as `from` and `to` are changed at the same time, the diff |
|
462 |
// will only be updated once. This is because Backbone updates all of |
|
463 |
// the changed attributes in `set`, and then fires the `change` events. |
|
464 |
updateDiff: function( options ) { |
|
465 |
var from, to, diffId, diff; |
|
466 |
||
467 |
options = options || {}; |
|
468 |
from = this.get('from'); |
|
469 |
to = this.get('to'); |
|
470 |
diffId = ( from ? from.id : 0 ) + ':' + to.id; |
|
471 |
||
472 |
// Check if we're actually changing the diff id. |
|
| 5 | 473 |
if ( this._diffId === diffId ) { |
| 0 | 474 |
return $.Deferred().reject().promise(); |
| 5 | 475 |
} |
| 0 | 476 |
|
477 |
this._diffId = diffId; |
|
478 |
this.trigger( 'update:revisions', from, to ); |
|
479 |
||
480 |
diff = this.diffs.get( diffId ); |
|
481 |
||
482 |
// If we already have the diff, then immediately trigger the update. |
|
483 |
if ( diff ) { |
|
484 |
this.receiveDiff( diff ); |
|
485 |
return $.Deferred().resolve().promise(); |
|
486 |
// Otherwise, fetch the diff. |
|
487 |
} else { |
|
488 |
if ( options.immediate ) { |
|
489 |
return this._ensureDiff(); |
|
490 |
} else { |
|
491 |
this._debouncedEnsureDiff(); |
|
492 |
return $.Deferred().reject().promise(); |
|
493 |
} |
|
494 |
} |
|
495 |
}, |
|
496 |
||
497 |
// A simple wrapper around `updateDiff` to prevent the change event's |
|
498 |
// parameters from being passed through. |
|
| 5 | 499 |
changeRevisionHandler: function() { |
| 0 | 500 |
this.updateDiff(); |
501 |
}, |
|
502 |
||
503 |
receiveDiff: function( diff ) { |
|
504 |
// Did we actually get a diff? |
|
505 |
if ( _.isUndefined( diff ) || _.isUndefined( diff.id ) ) { |
|
506 |
this.set({ |
|
507 |
loading: false, |
|
508 |
error: true |
|
509 |
}); |
|
510 |
} else if ( this._diffId === diff.id ) { // Make sure the current diff didn't change |
|
511 |
this.trigger( 'update:diff', diff ); |
|
512 |
} |
|
513 |
}, |
|
514 |
||
515 |
_ensureDiff: function() { |
|
516 |
return this.diffs.ensure( this._diffId, this ).always( this.receiveDiff ); |
|
517 |
} |
|
518 |
}); |
|
519 |
||
520 |
||
521 |
/** |
|
522 |
* ======================================================================== |
|
523 |
* VIEWS |
|
524 |
* ======================================================================== |
|
525 |
*/ |
|
526 |
||
| 5 | 527 |
/** |
528 |
* wp.revisions.view.Frame |
|
529 |
* |
|
530 |
* Top level frame that orchestrates the revisions experience. |
|
531 |
* |
|
532 |
* @param {object} options The options hash for the view. |
|
533 |
* @param {revisions.model.FrameState} options.model The frame state model. |
|
534 |
*/ |
|
| 0 | 535 |
revisions.view.Frame = wp.Backbone.View.extend({ |
536 |
className: 'revisions', |
|
537 |
template: wp.template('revisions-frame'), |
|
538 |
||
539 |
initialize: function() { |
|
540 |
this.listenTo( this.model, 'update:diff', this.renderDiff ); |
|
541 |
this.listenTo( this.model, 'change:compareTwoMode', this.updateCompareTwoMode ); |
|
542 |
this.listenTo( this.model, 'change:loading', this.updateLoadingStatus ); |
|
543 |
this.listenTo( this.model, 'change:error', this.updateErrorStatus ); |
|
544 |
||
545 |
this.views.set( '.revisions-control-frame', new revisions.view.Controls({ |
|
546 |
model: this.model |
|
547 |
}) ); |
|
548 |
}, |
|
549 |
||
550 |
render: function() { |
|
551 |
wp.Backbone.View.prototype.render.apply( this, arguments ); |
|
552 |
||
553 |
$('html').css( 'overflow-y', 'scroll' ); |
|
554 |
$('#wpbody-content .wrap').append( this.el ); |
|
555 |
this.updateCompareTwoMode(); |
|
556 |
this.renderDiff( this.model.diff() ); |
|
557 |
this.views.ready(); |
|
558 |
||
559 |
return this; |
|
560 |
}, |
|
561 |
||
562 |
renderDiff: function( diff ) { |
|
563 |
this.views.set( '.revisions-diff-frame', new revisions.view.Diff({ |
|
564 |
model: diff |
|
565 |
}) ); |
|
566 |
}, |
|
567 |
||
568 |
updateLoadingStatus: function() { |
|
569 |
this.$el.toggleClass( 'loading', this.model.get('loading') ); |
|
570 |
}, |
|
571 |
||
572 |
updateErrorStatus: function() { |
|
573 |
this.$el.toggleClass( 'diff-error', this.model.get('error') ); |
|
574 |
}, |
|
575 |
||
576 |
updateCompareTwoMode: function() { |
|
577 |
this.$el.toggleClass( 'comparing-two-revisions', this.model.get('compareTwoMode') ); |
|
578 |
} |
|
579 |
}); |
|
580 |
||
| 5 | 581 |
/** |
582 |
* wp.revisions.view.Controls |
|
583 |
* |
|
584 |
* The controls view. |
|
585 |
* |
|
586 |
* Contains the revision slider, previous/next buttons, the meta info and the compare checkbox. |
|
587 |
*/ |
|
| 0 | 588 |
revisions.view.Controls = wp.Backbone.View.extend({ |
589 |
className: 'revisions-controls', |
|
590 |
||
591 |
initialize: function() { |
|
592 |
_.bindAll( this, 'setWidth' ); |
|
593 |
||
594 |
// Add the button view |
|
595 |
this.views.add( new revisions.view.Buttons({ |
|
596 |
model: this.model |
|
597 |
}) ); |
|
598 |
||
599 |
// Add the checkbox view |
|
600 |
this.views.add( new revisions.view.Checkbox({ |
|
601 |
model: this.model |
|
602 |
}) ); |
|
603 |
||
604 |
// Prep the slider model |
|
605 |
var slider = new revisions.model.Slider({ |
|
606 |
frame: this.model, |
|
607 |
revisions: this.model.revisions |
|
| 5 | 608 |
}), |
| 0 | 609 |
|
610 |
// Prep the tooltip model |
|
| 5 | 611 |
tooltip = new revisions.model.Tooltip({ |
| 0 | 612 |
frame: this.model, |
613 |
revisions: this.model.revisions, |
|
614 |
slider: slider |
|
615 |
}); |
|
616 |
||
617 |
// Add the tooltip view |
|
618 |
this.views.add( new revisions.view.Tooltip({ |
|
619 |
model: tooltip |
|
620 |
}) ); |
|
621 |
||
622 |
// Add the tickmarks view |
|
623 |
this.views.add( new revisions.view.Tickmarks({ |
|
624 |
model: tooltip |
|
625 |
}) ); |
|
626 |
||
627 |
// Add the slider view |
|
628 |
this.views.add( new revisions.view.Slider({ |
|
629 |
model: slider |
|
630 |
}) ); |
|
631 |
||
632 |
// Add the Metabox view |
|
633 |
this.views.add( new revisions.view.Metabox({ |
|
634 |
model: this.model |
|
635 |
}) ); |
|
636 |
}, |
|
637 |
||
638 |
ready: function() { |
|
639 |
this.top = this.$el.offset().top; |
|
640 |
this.window = $(window); |
|
641 |
this.window.on( 'scroll.wp.revisions', {controls: this}, function(e) { |
|
| 5 | 642 |
var controls = e.data.controls, |
643 |
container = controls.$el.parent(), |
|
644 |
scrolled = controls.window.scrollTop(), |
|
645 |
frame = controls.views.parent; |
|
| 0 | 646 |
|
647 |
if ( scrolled >= controls.top ) { |
|
648 |
if ( ! frame.$el.hasClass('pinned') ) { |
|
649 |
controls.setWidth(); |
|
650 |
container.css('height', container.height() + 'px' ); |
|
651 |
controls.window.on('resize.wp.revisions.pinning click.wp.revisions.pinning', {controls: controls}, function(e) { |
|
652 |
e.data.controls.setWidth(); |
|
653 |
}); |
|
654 |
} |
|
655 |
frame.$el.addClass('pinned'); |
|
656 |
} else if ( frame.$el.hasClass('pinned') ) { |
|
657 |
controls.window.off('.wp.revisions.pinning'); |
|
658 |
controls.$el.css('width', 'auto'); |
|
659 |
frame.$el.removeClass('pinned'); |
|
660 |
container.css('height', 'auto'); |
|
661 |
controls.top = controls.$el.offset().top; |
|
662 |
} else { |
|
663 |
controls.top = controls.$el.offset().top; |
|
664 |
} |
|
665 |
}); |
|
666 |
}, |
|
667 |
||
668 |
setWidth: function() { |
|
669 |
this.$el.css('width', this.$el.parent().width() + 'px'); |
|
670 |
} |
|
671 |
}); |
|
672 |
||
673 |
// The tickmarks view |
|
674 |
revisions.view.Tickmarks = wp.Backbone.View.extend({ |
|
675 |
className: 'revisions-tickmarks', |
|
676 |
direction: isRtl ? 'right' : 'left', |
|
677 |
||
678 |
initialize: function() { |
|
679 |
this.listenTo( this.model, 'change:revision', this.reportTickPosition ); |
|
680 |
}, |
|
681 |
||
682 |
reportTickPosition: function( model, revision ) { |
|
683 |
var offset, thisOffset, parentOffset, tick, index = this.model.revisions.indexOf( revision ); |
|
684 |
thisOffset = this.$el.allOffsets(); |
|
685 |
parentOffset = this.$el.parent().allOffsets(); |
|
686 |
if ( index === this.model.revisions.length - 1 ) { |
|
687 |
// Last one |
|
688 |
offset = { |
|
689 |
rightPlusWidth: thisOffset.left - parentOffset.left + 1, |
|
690 |
leftPlusWidth: thisOffset.right - parentOffset.right + 1 |
|
691 |
}; |
|
692 |
} else { |
|
693 |
// Normal tick |
|
694 |
tick = this.$('div:nth-of-type(' + (index + 1) + ')'); |
|
695 |
offset = tick.allPositions(); |
|
696 |
_.extend( offset, { |
|
697 |
left: offset.left + thisOffset.left - parentOffset.left, |
|
698 |
right: offset.right + thisOffset.right - parentOffset.right |
|
699 |
}); |
|
700 |
_.extend( offset, { |
|
701 |
leftPlusWidth: offset.left + tick.outerWidth(), |
|
702 |
rightPlusWidth: offset.right + tick.outerWidth() |
|
703 |
}); |
|
704 |
} |
|
705 |
this.model.set({ offset: offset }); |
|
706 |
}, |
|
707 |
||
708 |
ready: function() { |
|
709 |
var tickCount, tickWidth; |
|
710 |
tickCount = this.model.revisions.length - 1; |
|
711 |
tickWidth = 1 / tickCount; |
|
712 |
this.$el.css('width', ( this.model.revisions.length * 50 ) + 'px'); |
|
713 |
||
714 |
_(tickCount).times( function( index ){ |
|
715 |
this.$el.append( '<div style="' + this.direction + ': ' + ( 100 * tickWidth * index ) + '%"></div>' ); |
|
716 |
}, this ); |
|
717 |
} |
|
718 |
}); |
|
719 |
||
720 |
// The metabox view |
|
721 |
revisions.view.Metabox = wp.Backbone.View.extend({ |
|
722 |
className: 'revisions-meta', |
|
723 |
||
724 |
initialize: function() { |
|
725 |
// Add the 'from' view |
|
726 |
this.views.add( new revisions.view.MetaFrom({ |
|
727 |
model: this.model, |
|
728 |
className: 'diff-meta diff-meta-from' |
|
729 |
}) ); |
|
730 |
||
731 |
// Add the 'to' view |
|
732 |
this.views.add( new revisions.view.MetaTo({ |
|
733 |
model: this.model |
|
734 |
}) ); |
|
735 |
} |
|
736 |
}); |
|
737 |
||
738 |
// The revision meta view (to be extended) |
|
739 |
revisions.view.Meta = wp.Backbone.View.extend({ |
|
740 |
template: wp.template('revisions-meta'), |
|
741 |
||
742 |
events: { |
|
743 |
'click .restore-revision': 'restoreRevision' |
|
744 |
}, |
|
745 |
||
746 |
initialize: function() { |
|
747 |
this.listenTo( this.model, 'update:revisions', this.render ); |
|
748 |
}, |
|
749 |
||
750 |
prepare: function() { |
|
751 |
return _.extend( this.model.toJSON()[this.type] || {}, { |
|
752 |
type: this.type |
|
753 |
}); |
|
754 |
}, |
|
755 |
||
756 |
restoreRevision: function() { |
|
757 |
document.location = this.model.get('to').attributes.restoreUrl; |
|
758 |
} |
|
759 |
}); |
|
760 |
||
761 |
// The revision meta 'from' view |
|
762 |
revisions.view.MetaFrom = revisions.view.Meta.extend({ |
|
763 |
className: 'diff-meta diff-meta-from', |
|
764 |
type: 'from' |
|
765 |
}); |
|
766 |
||
767 |
// The revision meta 'to' view |
|
768 |
revisions.view.MetaTo = revisions.view.Meta.extend({ |
|
769 |
className: 'diff-meta diff-meta-to', |
|
770 |
type: 'to' |
|
771 |
}); |
|
772 |
||
773 |
// The checkbox view. |
|
774 |
revisions.view.Checkbox = wp.Backbone.View.extend({ |
|
775 |
className: 'revisions-checkbox', |
|
776 |
template: wp.template('revisions-checkbox'), |
|
777 |
||
778 |
events: { |
|
779 |
'click .compare-two-revisions': 'compareTwoToggle' |
|
780 |
}, |
|
781 |
||
782 |
initialize: function() { |
|
783 |
this.listenTo( this.model, 'change:compareTwoMode', this.updateCompareTwoMode ); |
|
784 |
}, |
|
785 |
||
786 |
ready: function() { |
|
| 5 | 787 |
if ( this.model.revisions.length < 3 ) { |
| 0 | 788 |
$('.revision-toggle-compare-mode').hide(); |
| 5 | 789 |
} |
| 0 | 790 |
}, |
791 |
||
792 |
updateCompareTwoMode: function() { |
|
793 |
this.$('.compare-two-revisions').prop( 'checked', this.model.get('compareTwoMode') ); |
|
794 |
}, |
|
795 |
||
796 |
// Toggle the compare two mode feature when the compare two checkbox is checked. |
|
| 5 | 797 |
compareTwoToggle: function() { |
| 0 | 798 |
// Activate compare two mode? |
799 |
this.model.set({ compareTwoMode: $('.compare-two-revisions').prop('checked') }); |
|
800 |
} |
|
801 |
}); |
|
802 |
||
803 |
// The tooltip view. |
|
804 |
// Encapsulates the tooltip. |
|
805 |
revisions.view.Tooltip = wp.Backbone.View.extend({ |
|
806 |
className: 'revisions-tooltip', |
|
807 |
template: wp.template('revisions-meta'), |
|
808 |
||
| 5 | 809 |
initialize: function() { |
| 0 | 810 |
this.listenTo( this.model, 'change:offset', this.render ); |
811 |
this.listenTo( this.model, 'change:hovering', this.toggleVisibility ); |
|
812 |
this.listenTo( this.model, 'change:scrubbing', this.toggleVisibility ); |
|
813 |
}, |
|
814 |
||
815 |
prepare: function() { |
|
| 5 | 816 |
if ( _.isNull( this.model.get('revision') ) ) { |
| 0 | 817 |
return; |
| 5 | 818 |
} else { |
| 0 | 819 |
return _.extend( { type: 'tooltip' }, { |
820 |
attributes: this.model.get('revision').toJSON() |
|
821 |
}); |
|
| 5 | 822 |
} |
| 0 | 823 |
}, |
824 |
||
825 |
render: function() { |
|
| 5 | 826 |
var otherDirection, |
827 |
direction, |
|
828 |
directionVal, |
|
829 |
flipped, |
|
830 |
css = {}, |
|
831 |
position = this.model.revisions.indexOf( this.model.get('revision') ) + 1; |
|
832 |
||
| 0 | 833 |
flipped = ( position / this.model.revisions.length ) > 0.5; |
834 |
if ( isRtl ) { |
|
835 |
direction = flipped ? 'left' : 'right'; |
|
836 |
directionVal = flipped ? 'leftPlusWidth' : direction; |
|
837 |
} else { |
|
838 |
direction = flipped ? 'right' : 'left'; |
|
839 |
directionVal = flipped ? 'rightPlusWidth' : direction; |
|
840 |
} |
|
841 |
otherDirection = 'right' === direction ? 'left': 'right'; |
|
842 |
wp.Backbone.View.prototype.render.apply( this, arguments ); |
|
843 |
css[direction] = this.model.get('offset')[directionVal] + 'px'; |
|
844 |
css[otherDirection] = ''; |
|
845 |
this.$el.toggleClass( 'flipped', flipped ).css( css ); |
|
846 |
}, |
|
847 |
||
848 |
visible: function() { |
|
849 |
return this.model.get( 'scrubbing' ) || this.model.get( 'hovering' ); |
|
850 |
}, |
|
851 |
||
| 5 | 852 |
toggleVisibility: function() { |
853 |
if ( this.visible() ) { |
|
| 0 | 854 |
this.$el.stop().show().fadeTo( 100 - this.el.style.opacity * 100, 1 ); |
| 5 | 855 |
} else { |
| 0 | 856 |
this.$el.stop().fadeTo( this.el.style.opacity * 300, 0, function(){ $(this).hide(); } ); |
| 5 | 857 |
} |
| 0 | 858 |
return; |
859 |
} |
|
860 |
}); |
|
861 |
||
862 |
// The buttons view. |
|
863 |
// Encapsulates all of the configuration for the previous/next buttons. |
|
864 |
revisions.view.Buttons = wp.Backbone.View.extend({ |
|
865 |
className: 'revisions-buttons', |
|
866 |
template: wp.template('revisions-buttons'), |
|
867 |
||
868 |
events: { |
|
869 |
'click .revisions-next .button': 'nextRevision', |
|
870 |
'click .revisions-previous .button': 'previousRevision' |
|
871 |
}, |
|
872 |
||
873 |
initialize: function() { |
|
874 |
this.listenTo( this.model, 'update:revisions', this.disabledButtonCheck ); |
|
875 |
}, |
|
876 |
||
877 |
ready: function() { |
|
878 |
this.disabledButtonCheck(); |
|
879 |
}, |
|
880 |
||
881 |
// Go to a specific model index |
|
882 |
gotoModel: function( toIndex ) { |
|
883 |
var attributes = { |
|
884 |
to: this.model.revisions.at( toIndex ) |
|
885 |
}; |
|
886 |
// If we're at the first revision, unset 'from'. |
|
| 5 | 887 |
if ( toIndex ) { |
| 0 | 888 |
attributes.from = this.model.revisions.at( toIndex - 1 ); |
| 5 | 889 |
} else { |
| 0 | 890 |
this.model.unset('from', { silent: true }); |
| 5 | 891 |
} |
| 0 | 892 |
|
893 |
this.model.set( attributes ); |
|
894 |
}, |
|
895 |
||
896 |
// Go to the 'next' revision |
|
897 |
nextRevision: function() { |
|
898 |
var toIndex = this.model.revisions.indexOf( this.model.get('to') ) + 1; |
|
899 |
this.gotoModel( toIndex ); |
|
900 |
}, |
|
901 |
||
902 |
// Go to the 'previous' revision |
|
903 |
previousRevision: function() { |
|
904 |
var toIndex = this.model.revisions.indexOf( this.model.get('to') ) - 1; |
|
905 |
this.gotoModel( toIndex ); |
|
906 |
}, |
|
907 |
||
908 |
// Check to see if the Previous or Next buttons need to be disabled or enabled. |
|
909 |
disabledButtonCheck: function() { |
|
| 5 | 910 |
var maxVal = this.model.revisions.length - 1, |
911 |
minVal = 0, |
|
912 |
next = $('.revisions-next .button'), |
|
| 0 | 913 |
previous = $('.revisions-previous .button'), |
| 5 | 914 |
val = this.model.revisions.indexOf( this.model.get('to') ); |
| 0 | 915 |
|
916 |
// Disable "Next" button if you're on the last node. |
|
917 |
next.prop( 'disabled', ( maxVal === val ) ); |
|
918 |
||
919 |
// Disable "Previous" button if you're on the first node. |
|
920 |
previous.prop( 'disabled', ( minVal === val ) ); |
|
921 |
} |
|
922 |
}); |
|
923 |
||
924 |
||
925 |
// The slider view. |
|
926 |
revisions.view.Slider = wp.Backbone.View.extend({ |
|
927 |
className: 'wp-slider', |
|
928 |
direction: isRtl ? 'right' : 'left', |
|
929 |
||
930 |
events: { |
|
931 |
'mousemove' : 'mouseMove' |
|
932 |
}, |
|
933 |
||
934 |
initialize: function() { |
|
935 |
_.bindAll( this, 'start', 'slide', 'stop', 'mouseMove', 'mouseEnter', 'mouseLeave' ); |
|
936 |
this.listenTo( this.model, 'update:slider', this.applySliderSettings ); |
|
937 |
}, |
|
938 |
||
939 |
ready: function() { |
|
940 |
this.$el.css('width', ( this.model.revisions.length * 50 ) + 'px'); |
|
941 |
this.$el.slider( _.extend( this.model.toJSON(), { |
|
942 |
start: this.start, |
|
943 |
slide: this.slide, |
|
944 |
stop: this.stop |
|
945 |
}) ); |
|
946 |
||
947 |
this.$el.hoverIntent({ |
|
948 |
over: this.mouseEnter, |
|
949 |
out: this.mouseLeave, |
|
950 |
timeout: 800 |
|
951 |
}); |
|
952 |
||
953 |
this.applySliderSettings(); |
|
954 |
}, |
|
955 |
||
956 |
mouseMove: function( e ) { |
|
| 5 | 957 |
var zoneCount = this.model.revisions.length - 1, // One fewer zone than models |
958 |
sliderFrom = this.$el.allOffsets()[this.direction], // "From" edge of slider |
|
959 |
sliderWidth = this.$el.width(), // Width of slider |
|
960 |
tickWidth = sliderWidth / zoneCount, // Calculated width of zone |
|
961 |
actualX = ( isRtl ? $(window).width() - e.pageX : e.pageX ) - sliderFrom, // Flipped for RTL - sliderFrom; |
|
962 |
currentModelIndex = Math.floor( ( actualX + ( tickWidth / 2 ) ) / tickWidth ); // Calculate the model index |
|
| 0 | 963 |
|
964 |
// Ensure sane value for currentModelIndex. |
|
| 5 | 965 |
if ( currentModelIndex < 0 ) { |
| 0 | 966 |
currentModelIndex = 0; |
| 5 | 967 |
} else if ( currentModelIndex >= this.model.revisions.length ) { |
| 0 | 968 |
currentModelIndex = this.model.revisions.length - 1; |
| 5 | 969 |
} |
| 0 | 970 |
|
971 |
// Update the tooltip mode |
|
972 |
this.model.set({ hoveredRevision: this.model.revisions.at( currentModelIndex ) }); |
|
973 |
}, |
|
974 |
||
975 |
mouseLeave: function() { |
|
976 |
this.model.set({ hovering: false }); |
|
977 |
}, |
|
978 |
||
979 |
mouseEnter: function() { |
|
980 |
this.model.set({ hovering: true }); |
|
981 |
}, |
|
982 |
||
983 |
applySliderSettings: function() { |
|
984 |
this.$el.slider( _.pick( this.model.toJSON(), 'value', 'values', 'range' ) ); |
|
985 |
var handles = this.$('a.ui-slider-handle'); |
|
986 |
||
987 |
if ( this.model.get('compareTwoMode') ) { |
|
988 |
// in RTL mode the 'left handle' is the second in the slider, 'right' is first |
|
989 |
handles.first() |
|
990 |
.toggleClass( 'to-handle', !! isRtl ) |
|
991 |
.toggleClass( 'from-handle', ! isRtl ); |
|
992 |
handles.last() |
|
993 |
.toggleClass( 'from-handle', !! isRtl ) |
|
994 |
.toggleClass( 'to-handle', ! isRtl ); |
|
995 |
} else { |
|
996 |
handles.removeClass('from-handle to-handle'); |
|
997 |
} |
|
998 |
}, |
|
999 |
||
1000 |
start: function( event, ui ) { |
|
1001 |
this.model.set({ scrubbing: true }); |
|
1002 |
||
1003 |
// Track the mouse position to enable smooth dragging, |
|
1004 |
// overrides default jQuery UI step behavior. |
|
1005 |
$( window ).on( 'mousemove.wp.revisions', { view: this }, function( e ) { |
|
| 5 | 1006 |
var handles, |
1007 |
view = e.data.view, |
|
1008 |
leftDragBoundary = view.$el.offset().left, |
|
1009 |
sliderOffset = leftDragBoundary, |
|
1010 |
sliderRightEdge = leftDragBoundary + view.$el.width(), |
|
1011 |
rightDragBoundary = sliderRightEdge, |
|
1012 |
leftDragReset = '0', |
|
1013 |
rightDragReset = '100%', |
|
1014 |
handle = $( ui.handle ); |
|
| 0 | 1015 |
|
1016 |
// In two handle mode, ensure handles can't be dragged past each other. |
|
1017 |
// Adjust left/right boundaries and reset points. |
|
1018 |
if ( view.model.get('compareTwoMode') ) { |
|
| 5 | 1019 |
handles = handle.parent().find('.ui-slider-handle'); |
| 0 | 1020 |
if ( handle.is( handles.first() ) ) { // We're the left handle |
1021 |
rightDragBoundary = handles.last().offset().left; |
|
1022 |
rightDragReset = rightDragBoundary - sliderOffset; |
|
1023 |
} else { // We're the right handle |
|
1024 |
leftDragBoundary = handles.first().offset().left + handles.first().width(); |
|
1025 |
leftDragReset = leftDragBoundary - sliderOffset; |
|
1026 |
} |
|
1027 |
} |
|
1028 |
||
1029 |
// Follow mouse movements, as long as handle remains inside slider. |
|
1030 |
if ( e.pageX < leftDragBoundary ) { |
|
1031 |
handle.css( 'left', leftDragReset ); // Mouse to left of slider. |
|
1032 |
} else if ( e.pageX > rightDragBoundary ) { |
|
1033 |
handle.css( 'left', rightDragReset ); // Mouse to right of slider. |
|
1034 |
} else { |
|
1035 |
handle.css( 'left', e.pageX - sliderOffset ); // Mouse in slider. |
|
1036 |
} |
|
1037 |
} ); |
|
1038 |
}, |
|
1039 |
||
1040 |
getPosition: function( position ) { |
|
1041 |
return isRtl ? this.model.revisions.length - position - 1: position; |
|
1042 |
}, |
|
1043 |
||
1044 |
// Responds to slide events |
|
1045 |
slide: function( event, ui ) { |
|
1046 |
var attributes, movedRevision; |
|
1047 |
// Compare two revisions mode |
|
1048 |
if ( this.model.get('compareTwoMode') ) { |
|
1049 |
// Prevent sliders from occupying same spot |
|
| 5 | 1050 |
if ( ui.values[1] === ui.values[0] ) { |
| 0 | 1051 |
return false; |
| 5 | 1052 |
} |
1053 |
if ( isRtl ) { |
|
| 0 | 1054 |
ui.values.reverse(); |
| 5 | 1055 |
} |
| 0 | 1056 |
attributes = { |
1057 |
from: this.model.revisions.at( this.getPosition( ui.values[0] ) ), |
|
1058 |
to: this.model.revisions.at( this.getPosition( ui.values[1] ) ) |
|
1059 |
}; |
|
1060 |
} else { |
|
1061 |
attributes = { |
|
1062 |
to: this.model.revisions.at( this.getPosition( ui.value ) ) |
|
1063 |
}; |
|
1064 |
// If we're at the first revision, unset 'from'. |
|
| 5 | 1065 |
if ( this.getPosition( ui.value ) > 0 ) { |
| 0 | 1066 |
attributes.from = this.model.revisions.at( this.getPosition( ui.value ) - 1 ); |
| 5 | 1067 |
} else { |
| 0 | 1068 |
attributes.from = undefined; |
| 5 | 1069 |
} |
| 0 | 1070 |
} |
1071 |
movedRevision = this.model.revisions.at( this.getPosition( ui.value ) ); |
|
1072 |
||
1073 |
// If we are scrubbing, a scrub to a revision is considered a hover |
|
| 5 | 1074 |
if ( this.model.get('scrubbing') ) { |
| 0 | 1075 |
attributes.hoveredRevision = movedRevision; |
| 5 | 1076 |
} |
| 0 | 1077 |
|
1078 |
this.model.set( attributes ); |
|
1079 |
}, |
|
1080 |
||
| 5 | 1081 |
stop: function() { |
| 0 | 1082 |
$( window ).off('mousemove.wp.revisions'); |
1083 |
this.model.updateSliderSettings(); // To snap us back to a tick mark |
|
1084 |
this.model.set({ scrubbing: false }); |
|
1085 |
} |
|
1086 |
}); |
|
1087 |
||
1088 |
// The diff view. |
|
1089 |
// This is the view for the current active diff. |
|
1090 |
revisions.view.Diff = wp.Backbone.View.extend({ |
|
1091 |
className: 'revisions-diff', |
|
| 5 | 1092 |
template: wp.template('revisions-diff'), |
| 0 | 1093 |
|
1094 |
// Generate the options to be passed to the template. |
|
1095 |
prepare: function() { |
|
1096 |
return _.extend({ fields: this.model.fields.toJSON() }, this.options ); |
|
1097 |
} |
|
1098 |
}); |
|
1099 |
||
| 5 | 1100 |
// The revisions router. |
1101 |
// Maintains the URL routes so browser URL matches state. |
|
| 0 | 1102 |
revisions.Router = Backbone.Router.extend({ |
1103 |
initialize: function( options ) { |
|
1104 |
this.model = options.model; |
|
| 5 | 1105 |
|
| 0 | 1106 |
// Maintain state and history when navigating |
1107 |
this.listenTo( this.model, 'update:diff', _.debounce( this.updateUrl, 250 ) ); |
|
1108 |
this.listenTo( this.model, 'change:compareTwoMode', this.updateUrl ); |
|
1109 |
}, |
|
1110 |
||
1111 |
baseUrl: function( url ) { |
|
1112 |
return this.model.get('baseUrl') + url; |
|
1113 |
}, |
|
1114 |
||
1115 |
updateUrl: function() { |
|
| 5 | 1116 |
var from = this.model.has('from') ? this.model.get('from').id : 0, |
1117 |
to = this.model.get('to').id; |
|
1118 |
if ( this.model.get('compareTwoMode' ) ) { |
|
1119 |
this.navigate( this.baseUrl( '?from=' + from + '&to=' + to ), { replace: true } ); |
|
1120 |
} else { |
|
1121 |
this.navigate( this.baseUrl( '?revision=' + to ), { replace: true } ); |
|
1122 |
} |
|
| 0 | 1123 |
}, |
1124 |
||
1125 |
handleRoute: function( a, b ) { |
|
| 5 | 1126 |
var compareTwo = _.isUndefined( b ); |
| 0 | 1127 |
|
1128 |
if ( ! compareTwo ) { |
|
1129 |
b = this.model.revisions.get( a ); |
|
1130 |
a = this.model.revisions.prev( b ); |
|
1131 |
b = b ? b.id : 0; |
|
1132 |
a = a ? a.id : 0; |
|
1133 |
} |
|
1134 |
} |
|
1135 |
}); |
|
1136 |
||
| 5 | 1137 |
/** |
1138 |
* Initialize the revisions UI for revision.php. |
|
1139 |
*/ |
|
| 0 | 1140 |
revisions.init = function() { |
| 5 | 1141 |
var state; |
1142 |
||
1143 |
// Bail if the current page is not revision.php. |
|
1144 |
if ( ! window.adminpage || 'revision-php' !== window.adminpage ) { |
|
1145 |
return; |
|
1146 |
} |
|
1147 |
||
1148 |
state = new revisions.model.FrameState({ |
|
1149 |
initialDiffState: { |
|
1150 |
// wp_localize_script doesn't stringifies ints, so cast them. |
|
1151 |
to: parseInt( revisions.settings.to, 10 ), |
|
1152 |
from: parseInt( revisions.settings.from, 10 ), |
|
1153 |
// wp_localize_script does not allow for top-level booleans so do a comparator here. |
|
1154 |
compareTwoMode: ( revisions.settings.compareTwoMode === '1' ) |
|
1155 |
}, |
|
1156 |
diffData: revisions.settings.diffData, |
|
1157 |
baseUrl: revisions.settings.baseUrl, |
|
1158 |
postId: parseInt( revisions.settings.postId, 10 ) |
|
1159 |
}, { |
|
1160 |
revisions: new revisions.model.Revisions( revisions.settings.revisionData ) |
|
1161 |
}); |
|
1162 |
||
| 0 | 1163 |
revisions.view.frame = new revisions.view.Frame({ |
| 5 | 1164 |
model: state |
| 0 | 1165 |
}).render(); |
1166 |
}; |
|
1167 |
||
1168 |
$( revisions.init ); |
|
1169 |
}(jQuery)); |