mirror of
https://github.com/flynx/ImageGrid.git
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reworking render....
Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
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d0dad4811a
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@ -2679,7 +2679,7 @@ var BaseBrowserPrototype = {
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throw Stop })
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: pattern ]
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// search...
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: that.search2(pattern, ...args.slice(1)) })
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: that.search(pattern, ...args.slice(1)) })
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.flat()
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.unique()
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} catch(e){
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@ -3034,8 +3034,27 @@ var BaseBrowserPrototype = {
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//
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// XXX revise options handling...
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// XXX BUG: for some reason these shift more than one position...
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// dialog.render({from: 17, count: 5}, browser.TextRenderer)
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// dialog.render({from: 18, count: 5}, browser.TextRenderer)
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// dialog.render({from: 17, count: 5}, browser.TextRenderer)
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// dialog.render({from: 18, count: 5}, browser.TextRenderer)
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// ...the indexing seems to get either messed up or not compensated
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// for...
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// ...count seems to have some odd effect:
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// dialog
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// .focus('nested')
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// .render({around: 'focused', count: 7}, browser.TextRenderer)
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// and:
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// dialog
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// .focus('nested')
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// .render({around: 'focused', count: 5}, browser.TextRenderer)
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// produce different results in terms of centering and alignment!!!
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// XXX BUG: these falls int recursion...
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// dialog.render({around: 9, count: 5}, browser.TextRenderer)
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// dialog.render({around: 8, count: 3}, browser.TextRenderer)
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// ...
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// dialog.render({around: 7, count: 1}, browser.TextRenderer)
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// dialog.render({from: 7}, browser.TextRenderer)
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// XXX BUG: numbering is wrong when elements collapse...
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// ...to fix this use .update()
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render: function(options, renderer){
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var that = this
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var args = [...arguments]
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@ -3077,55 +3096,53 @@ var BaseBrowserPrototype = {
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: section
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// from/to/around/count...
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var get_options = Object.assign(
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Object.create(options),
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{from: null, to: null, around: null,
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iterateNonIterable: options.iterateNonIterable})
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var normalizeIndex = function(i){
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return (i !== undefined && typeof(i) != typeof(123)) ?
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this.get(i,
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function(_, i){ return i },
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get_options)
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: i }.bind(this)
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var from = normalizeIndex(options.from)
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var to = normalizeIndex(options.to)
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var around = normalizeIndex(options.around)
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var get = function(x){
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return options[x] instanceof BaseItem ?
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[undefined, undefined, options[x]]
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: options[x] != null ?
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that.get(options[x], function(e, i, p){ return [i, p, e] }, options) || []
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: [undefined, undefined, undefined] }
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var [f, from_path, from] = get('from')
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var [t, _, to] = get('to')
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var [a, _, around] = get('around')
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var count = options.count || null
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// complete to/from based on count and/or around...
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// NOTE: we do not care about overflow here...
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;(from == null && count != null)
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&& (from = options.from =
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to != null ?
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to - count
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: around != null ?
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around - Math.floor(count/2)
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: from)
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;(to == null && count != null)
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&& (to = options.to =
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from != null ?
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from + count
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: around != null ?
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around + Math.ceil(count/2)
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: to)
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// sanity check...
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if(from != null && to != null && to < from){
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throw new Error(`.render(..): options.from must be less than `
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+`or equal to options.to. (got: from=${from} and to=${to})`) }
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if(count != null){
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from = from
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|| this.get(
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(f = Math.max(0,
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t != null ?
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t - count
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: a != null ?
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a - Math.floor(count/2)
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: 0)),
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options)
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to = to
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|| this.get(
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(t = f != null ?
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f + count
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: a != null ?
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a + Math.ceil(count/2)
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: -1),
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options) }
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[options.from, options.to] = [from, to]
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// partial render start path...
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// NOTE: used to check if an item is on the path to <from> and
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// pass it to the skipped topology constructor...
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var from_path = options.from_path =
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options.from_path
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|| (from != null
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&& this.get(from,
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function(e, i, p){ return p },
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get_options))
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from_path = from_path instanceof Array
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&& from_path
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from_path = options.from_path =
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options.from_path
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|| from && this.pathOf(from, options)
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from_path = from_path instanceof Array && from_path
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// used as a means to calculate lengths of nested blocks rendered
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// via .render(..)
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var l
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// rendering state for partial renders...
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// NOTE: when this is null then rendering is done...
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var rendering = render.rendering =
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'rendering' in render ?
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render.rendering
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: !from
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return ((list == null && render.root === this && section instanceof Array) ?
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// render list of sections...
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// NOTE: we will only render the section list on the top
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@ -3190,20 +3207,30 @@ var BaseBrowserPrototype = {
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.render(options, render, i+1, p))
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: children(true) }
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// maintain rendering state....
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// NOTE: render ranges are supported only in 'items' section...
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rendering = section != 'items' ?
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true
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: (render.rendering =
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!rendering && from === e ?
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true
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: rendering && to === e ?
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// XXX should we stop() here???
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null
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: render.rendering)
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// do the actual rendering...
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return (
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// special case: nested <from> elem -> render topology only...
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(from_path
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&& i < from
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&& rendering === false
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// only for nested...
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&& e && e.children
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&& e.children
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// only sub-path...
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&& p.cmp(from_path.slice(0, p.length))) ?
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// XXX BUG: this is not totally correct for nested browsers...
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render.nest(null, getChildren(), i, p, options)
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// skip: out of range items...
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: ((from != null && i < from)
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|| (to != null && i >= to)) ?
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: !rendering ?
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[]
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// inlined...
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: (e instanceof BaseBrowser || e instanceof Array) ?
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