mirror of
https://github.com/flynx/ImageGrid.git
synced 2025-11-03 04:40:10 +00:00
344 lines
8.5 KiB
JavaScript
Executable File
344 lines
8.5 KiB
JavaScript
Executable File
/**********************************************************************
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*
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*
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*
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**********************************************************************/
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((typeof define)[0]=='u'?function(f){module.exports=f(require)}:define)
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(function(require){ var module={} // make module AMD/node compatible...
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/*********************************************************************/
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var actions = require('lib/actions')
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var features = require('lib/features')
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var core = require('features/core')
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/*********************************************************************/
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var RangeActions = actions.Actions({
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// .makeBrace('open')
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// .makeBrace('open', image)
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// .makeBrace('close')
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// .makeBrace('close', image)
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//
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// XXX this should not be here...
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makeBrace: ['- Range/',
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function(type, gid){
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var cls = type == 'open' ? 'brace-open' : 'brace-close'
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var r = this.dom.find('.ribbon')
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var brace = this.ribbons.getRibbon(gid).find('.mark.'+cls)
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if(brace.length == 0){
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brace = $('<span>')
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.addClass('mark brace '+cls)
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} else if(brace.length > 1){
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brace = brace.detach().first()
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}
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brace
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.attr('gid', gid)
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this.ribbons.getImage(gid)[type == 'open' ? 'before' : 'after'](brace)
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// XXX this does not work for non-current images ...
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this.ribbons.preventTransitions(r)
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// XXX is this correct here???
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this.focusImage()
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this.ribbons.restoreTransitions(r)
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}],
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// XXX add "brace off screen" indicators....
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updateRangeIndicators: ['- Range/',
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function(){
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var update = false
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var range = this.data.__range
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// XXX not sure if this sweeping action is the right way to
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// go but it sure makes things simpler...
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if(range == null){
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update = true
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this.dom
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.find('.ribbon .mark.brace')
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.remove()
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} else {
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var that = this
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this.data.ribbon_order.forEach(function(r){
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var a = that.data.getImage(range[0], 'after', r)
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var b = that.data.getImage(range[1], 'before', r)
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// only draw braces if some part of the ribbon is
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// in range...
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if(a != null && b != null){
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that
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.makeBrace('open', a)
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.makeBrace('close', b)
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// remove braces from ribbon...
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} else {
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update = true
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that.ribbons.getRibbon(r)
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.find('.mark.brace')
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.remove()
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}
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})
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}
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if(update){
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var r = this.dom.find('.ribbon')
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// XXX this does not work for non-current images ...
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this.ribbons.preventTransitions(r)
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// XXX is this correct here???
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this.focusImage()
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this.ribbons.restoreTransitions(r)
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}
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}],
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clearRange: ['Range/Clear range',
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// XXX not sure if this is the right way to go...
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{browseMode: function(){ return !this.data.__range && 'disabled' }},
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function(image){
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var r = this.dom.find('.ribbon')
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delete this.data.__range
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this.updateRangeIndicators()
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}],
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// procedure:
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// - set brace
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// when no braces set:
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// - sets two braces around target image
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// When a brace is set:
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// - check brace orientation and set open/close to target
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// - update braces on all ribbons
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setRangeBorder: ['Range/Set range border',
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function(image, type){
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var image = this.data.getImage(image)
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var range = this.data.__range = this.data.__range || []
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// no range...
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if(range.length == 0){
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range.push(image)
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range.push(image)
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// range set...
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} else {
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var a = this.data.getImageOrder(range[0])
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var b = this.data.getImageOrder(range[1])
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var t = this.data.getImageOrder(image)
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var i =
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// type/range conflict...
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type == 'close' && t < a ? null
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: type == 'open' && t > b ? null
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// extend left/right...
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: t <= a ? 0
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: t >= b ? 1
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// set left/right limit...
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: type == 'open' ? 0
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: type == 'close' ? 1
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// narrow to the closest brace...
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: a - t < b - t ? 0
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: 1
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if(i == null){
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return
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}
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range[i] = image
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}
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this.updateRangeIndicators()
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}],
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openRange: ['Range/Open range',
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function(image){ this.setRangeBorder(image, 'open') }],
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closeRange: ['Range/Close range',
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function(image){ this.setRangeBorder(image, 'close') }],
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cropRange: ['Range|Crop/Crop range',
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// XXX not sure if this is the right way to go...
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{browseMode: function(){ return !this.data.__range && 'disabled' }},
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function(){
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var range = this.data.__range
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var order = this.data.order
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range ?
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this.crop(order.slice(
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order.indexOf(range[0]),
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order.indexOf(range[1])+1))
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: this.crop([])
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}],
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cropRangeOut: ['Range|Crop/Crop out range',
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// XXX not sure if this is the right way to go...
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{browseMode: function(){ return !this.data.__range && 'disabled' }},
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function(){
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var range = this.data.__range
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var order = this.data.order
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range ?
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this.crop(order
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.slice(0, order.indexOf(range[0]))
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.concat(order.slice(order.indexOf(range[1])+1)))
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: this.crop()
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}],
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})
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var Range =
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module.Range = core.ImageGridFeatures.Feature({
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title: '',
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doc: '',
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tag: 'ui-range',
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depends: [
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'ui',
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],
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actions: RangeActions,
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handlers: [
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[[
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'crop',
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'reload',
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],
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function(){ this.updateRangeIndicators() }],
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['updateImage',
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function(_, gid){
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var range = this.data.__range
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if(this.ribbons && range && gid){
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var r = this.data.getRibbon(gid)
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var a = gid == range[0] ?
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this.makeBrace('open', gid)
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: this.data.getImage(range[0], 'after', r)
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var b = gid == range[1] ?
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this.makeBrace('close', gid)
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: this.data.getImage(range[1], 'before', r)
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if(a != null && b != null){
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gid == a
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&& this.makeBrace('open', gid)
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gid == b
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&& this.makeBrace('close', gid)
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}
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}
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}],
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['shiftImage.pre',
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function(gid){
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var range = this.data.__range
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if(this.ribbons && range){
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this.ribbons.getImageMarks(gid).filter('.brace').remove()
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return function(){
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this.updateRangeIndicators()
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}
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}
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}],
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// show/hide off-screen indicators...
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// XXX STUB: should we animate indicators???
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['viewScale.pre',
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function(scale){
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var range = this.data.__range
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if(!this.ribbons || !range){
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return
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}
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this.ribbons.getRibbonLocator()
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.find('.range-offscreen-indicator')
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.hide()
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}],
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[[
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'focusImage',
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'viewScale',
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'updateRangeIndicators',
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],
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function(_, gid){
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gid = gid || this.current
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var that = this
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var locator = this.ribbons.getRibbonLocator()
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var range = this.data.__range
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if(!this.ribbons || !range){
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locator.find('.range-offscreen-indicator').remove()
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return
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}
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var Wr = this.dom.width()
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var W = (Wr / this.scale) / 2
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var a = this.data.getImageOrder(range[0])
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var b = this.data.getImageOrder(range[1])
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var _make = function(gid, ribbon, direction){
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var t = ribbon[0].offsetTop
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var h = ribbon[0].offsetHeight / 2
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var i = that.data.getImageOrder(gid)
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var indicator = locator
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.find('.range-offscreen-indicator.'+direction+'[gid="'+gid+'"]')
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// XXX this only works if brace is loaded...
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if(direction == 'left'){
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var brace = ribbon.find('.mark.brace-open')
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if(brace.length == 0 || brace.offset().left >= 0){
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return indicator.remove()
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}
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} else if(direction == 'right'){
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var brace = ribbon.find('.mark.brace-close')
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if(brace.length == 0 || brace.offset().left < Wr){
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return indicator.remove()
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}
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}
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if(indicator.length == 0){
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locator.append($('<div>')
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.addClass('range-offscreen-indicator '+direction)
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.attr('gid', gid))
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}
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var css = {}
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css.left = (direction == 'left' ?
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-W
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: W-(indicator[0] && indicator[0].offsetWidth)) + 'px'
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css.top = (t + h) + 'px'
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that.ribbons.preventTransitions(indicator)
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indicator
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.css(css)
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.show()
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that.ribbons.restoreTransitions(indicator)
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return indicator
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}
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setTimeout(function(){
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that.data.ribbon_order.forEach(function(gid){
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var ribbon = that.ribbons.getRibbon(gid)
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_make(gid, ribbon, 'left')
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_make(gid, ribbon, 'right')
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})
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}, 400)
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}],
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],
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})
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/**********************************************************************
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* vim:set ts=4 sw=4 : */ return module })
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