mirror of
https://github.com/overleaf/overleaf.git
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147 lines
4.6 KiB
CoffeeScript
147 lines
4.6 KiB
CoffeeScript
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define () ->
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class Highlight
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constructor: (options) ->
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@row = options.row
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@column = options.column
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@word = options.word
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@suggestions = options.suggestions
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class HighlightedWordManager
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constructor: (@ide) ->
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@highlights = rows: []
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addHighlight: (highlight) ->
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unless highlight instanceof Highlight
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highlight = new Highlight(highlight)
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highlight.markerId = @ide.editor.addMarker {
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row: highlight.row
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column: highlight.column
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length: highlight.word.length
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}, "sharelatex-spelling-highlight"
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@highlights.rows[highlight.row] ||= []
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@highlights.rows[highlight.row].push highlight
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removeHighlight: (highlight) ->
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@ide.editor.removeMarker(highlight.markerId)
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for h, i in @highlights.rows[highlight.row]
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if h == highlight
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@highlights.rows[highlight.row].splice(i, 1)
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removeWord: (word) ->
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toRemove = []
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for row in @highlights.rows
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for highlight in (row || [])
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if highlight.word == word
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toRemove.push(highlight)
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for highlight in toRemove
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@removeHighlight highlight
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moveHighlight: (highlight, position) ->
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@removeHighlight highlight
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highlight.row = position.row
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highlight.column = position.column
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@addHighlight highlight
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clearRows: (from, to) ->
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from ||= 0
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to ||= @highlights.rows.length - 1
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for row in @highlights.rows.slice(from, to + 1)
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for highlight in (row || []).slice(0)
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@removeHighlight highlight
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insertRows: (offset, number) ->
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# rows are inserted after offset. i.e. offset row is not modified
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affectedHighlights = []
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for row in @highlights.rows.slice(offset)
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affectedHighlights.push(highlight) for highlight in (row || [])
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for highlight in affectedHighlights
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@moveHighlight highlight,
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row: highlight.row + number
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column: highlight.column
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removeRows: (offset, number) ->
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# offset is the first row to delete
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affectedHighlights = []
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for row in @highlights.rows.slice(offset)
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affectedHighlights.push(highlight) for highlight in (row || [])
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for highlight in affectedHighlights
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if highlight.row >= offset + number
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@moveHighlight highlight,
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row: highlight.row - number
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column: highlight.column
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else
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@removeHighlight highlight
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findHighlightWithinRange: (range) ->
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rows = @highlights.rows.slice(range.start.row, range.end.row + 1)
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for row in rows
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for highlight in (row || [])
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if @_doesHighlightOverlapRange(highlight, range.start, range.end)
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return highlight
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return null
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applyChange: (change) ->
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start = change.range.start
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end = change.range.end
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if change.action == "insertText"
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if start.row != end.row
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rowsAdded = end.row - start.row
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@insertRows start.row + 1, rowsAdded
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# make a copy since we're going to modify in place
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oldHighlights = (@highlights.rows[start.row] || []).slice(0)
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for highlight in oldHighlights
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if highlight.column > start.column
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# insertion was fully before this highlight
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@moveHighlight highlight,
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row: end.row
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column: highlight.column + (end.column - start.column)
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else if highlight.column + highlight.word.length >= start.column
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# insertion was inside this highlight
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@removeHighlight highlight
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else if change.action == "insertLines"
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@insertRows start.row, change.lines.length
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else if change.action == "removeText"
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if start.row == end.row
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oldHighlights = (@highlights.rows[start.row] || []).slice(0)
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else
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rowsRemoved = end.row - start.row
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oldHighlights =
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(@highlights.rows[start.row] || []).concat(
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(@highlights.rows[end.row] || [])
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)
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@removeRows start.row + 1, rowsRemoved
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for highlight in oldHighlights
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if @_doesHighlightOverlapRange highlight, start, end
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@removeHighlight highlight
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else if @_isHighlightAfterRange highlight, start, end
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@moveHighlight highlight,
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row: start.row
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column: highlight.column - (end.column - start.column)
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else if change.action == "removeLines"
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@removeRows start.row, change.lines.length
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_doesHighlightOverlapRange: (highlight, start, end) ->
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highlightIsAllBeforeRange =
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highlight.row < start.row or
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(highlight.row == start.row and highlight.column + highlight.word.length <= start.column)
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highlightIsAllAfterRange =
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highlight.row > end.row or
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(highlight.row == end.row and highlight.column >= end.column)
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!(highlightIsAllBeforeRange or highlightIsAllAfterRange)
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_isHighlightAfterRange: (highlight, start, end) ->
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return true if highlight.row > end.row
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return false if highlight.row < end.row
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highlight.column >= end.column
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