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lib/auto/TT2/Play/Area/public/codemirror/lib/codemirror.js  view on Meta::CPAN

}

// This will be set to a {lineWise: bool, text: [string]} object, so
// that, when pasting, we know what kind of selections the copied
// text was made out of.
var lastCopied = null

function setLastCopied(newLastCopied) {
  lastCopied = newLastCopied
}

function applyTextInput(cm, inserted, deleted, sel, origin) {
  var doc = cm.doc
  cm.display.shift = false
  if (!sel) { sel = doc.sel }

  var paste = cm.state.pasteIncoming || origin == "paste"
  var textLines = splitLinesAuto(inserted), multiPaste = null
  // When pasting N lines into N selections, insert one line per selection
  if (paste && sel.ranges.length > 1) {
    if (lastCopied && lastCopied.text.join("\n") == inserted) {
      if (sel.ranges.length % lastCopied.text.length == 0) {
        multiPaste = []
        for (var i = 0; i < lastCopied.text.length; i++)
          { multiPaste.push(doc.splitLines(lastCopied.text[i])) }
      }
    } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) {
      multiPaste = map(textLines, function (l) { return [l]; })
    }
  }

  var updateInput
  // Normal behavior is to insert the new text into every selection
  for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) {
    var range = sel.ranges[i$1]
    var from = range.from(), to = range.to()
    if (range.empty()) {
      if (deleted && deleted > 0) // Handle deletion
        { from = Pos(from.line, from.ch - deleted) }
      else if (cm.state.overwrite && !paste) // Handle overwrite
        { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)) }
      else if (lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == inserted)
        { from = to = Pos(from.line, 0) }
    }
    updateInput = cm.curOp.updateInput
    var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines,
                       origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")}
    makeChange(cm.doc, changeEvent)
    signalLater(cm, "inputRead", cm, changeEvent)
  }
  if (inserted && !paste)
    { triggerElectric(cm, inserted) }

  ensureCursorVisible(cm)
  cm.curOp.updateInput = updateInput
  cm.curOp.typing = true
  cm.state.pasteIncoming = cm.state.cutIncoming = false
}

function handlePaste(e, cm) {
  var pasted = e.clipboardData && e.clipboardData.getData("Text")
  if (pasted) {
    e.preventDefault()
    if (!cm.isReadOnly() && !cm.options.disableInput)
      { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }) }
    return true
  }
}

function triggerElectric(cm, inserted) {
  // When an 'electric' character is inserted, immediately trigger a reindent
  if (!cm.options.electricChars || !cm.options.smartIndent) { return }
  var sel = cm.doc.sel

  for (var i = sel.ranges.length - 1; i >= 0; i--) {
    var range = sel.ranges[i]
    if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) { continue }
    var mode = cm.getModeAt(range.head)
    var indented = false
    if (mode.electricChars) {
      for (var j = 0; j < mode.electricChars.length; j++)
        { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {
          indented = indentLine(cm, range.head.line, "smart")
          break
        } }
    } else if (mode.electricInput) {
      if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch)))
        { indented = indentLine(cm, range.head.line, "smart") }
    }
    if (indented) { signalLater(cm, "electricInput", cm, range.head.line) }
  }
}

function copyableRanges(cm) {
  var text = [], ranges = []
  for (var i = 0; i < cm.doc.sel.ranges.length; i++) {
    var line = cm.doc.sel.ranges[i].head.line
    var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}
    ranges.push(lineRange)
    text.push(cm.getRange(lineRange.anchor, lineRange.head))
  }
  return {text: text, ranges: ranges}
}

function disableBrowserMagic(field, spellcheck) {
  field.setAttribute("autocorrect", "off")
  field.setAttribute("autocapitalize", "off")
  field.setAttribute("spellcheck", !!spellcheck)
}

function hiddenTextarea() {
  var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none")
  var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;")
  // The textarea is kept positioned near the cursor to prevent the
  // fact that it'll be scrolled into view on input from scrolling
  // our fake cursor out of view. On webkit, when wrap=off, paste is
  // very slow. So make the area wide instead.
  if (webkit) { te.style.width = "1000px" }
  else { te.setAttribute("wrap", "off") }
  // If border: 0; -- iOS fails to open keyboard (issue #1287)
  if (ios) { te.style.border = "1px solid black" }

lib/auto/TT2/Play/Area/public/codemirror/lib/codemirror.js  view on Meta::CPAN

// CONTENTEDITABLE INPUT STYLE

var ContentEditableInput = function(cm) {
  this.cm = cm
  this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null
  this.polling = new Delayed()
  this.composing = null
  this.gracePeriod = false
  this.readDOMTimeout = null
};

ContentEditableInput.prototype.init = function (display) {
    var this$1 = this;

  var input = this, cm = input.cm
  var div = input.div = display.lineDiv
  disableBrowserMagic(div, cm.options.spellcheck)

  on(div, "paste", function (e) {
    if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }
    // IE doesn't fire input events, so we schedule a read for the pasted content in this way
    if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20) }
  })

  on(div, "compositionstart", function (e) {
    this$1.composing = {data: e.data, done: false}
  })
  on(div, "compositionupdate", function (e) {
    if (!this$1.composing) { this$1.composing = {data: e.data, done: false} }
  })
  on(div, "compositionend", function (e) {
    if (this$1.composing) {
      if (e.data != this$1.composing.data) { this$1.readFromDOMSoon() }
      this$1.composing.done = true
    }
  })

  on(div, "touchstart", function () { return input.forceCompositionEnd(); })

  on(div, "input", function () {
    if (!this$1.composing) { this$1.readFromDOMSoon() }
  })

  function onCopyCut(e) {
    if (signalDOMEvent(cm, e)) { return }
    if (cm.somethingSelected()) {
      setLastCopied({lineWise: false, text: cm.getSelections()})
      if (e.type == "cut") { cm.replaceSelection("", null, "cut") }
    } else if (!cm.options.lineWiseCopyCut) {
      return
    } else {
      var ranges = copyableRanges(cm)
      setLastCopied({lineWise: true, text: ranges.text})
      if (e.type == "cut") {
        cm.operation(function () {
          cm.setSelections(ranges.ranges, 0, sel_dontScroll)
          cm.replaceSelection("", null, "cut")
        })
      }
    }
    if (e.clipboardData) {
      e.clipboardData.clearData()
      var content = lastCopied.text.join("\n")
      // iOS exposes the clipboard API, but seems to discard content inserted into it
      e.clipboardData.setData("Text", content)
      if (e.clipboardData.getData("Text") == content) {
        e.preventDefault()
        return
      }
    }
    // Old-fashioned briefly-focus-a-textarea hack
    var kludge = hiddenTextarea(), te = kludge.firstChild
    cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild)
    te.value = lastCopied.text.join("\n")
    var hadFocus = document.activeElement
    selectInput(te)
    setTimeout(function () {
      cm.display.lineSpace.removeChild(kludge)
      hadFocus.focus()
      if (hadFocus == div) { input.showPrimarySelection() }
    }, 50)
  }
  on(div, "copy", onCopyCut)
  on(div, "cut", onCopyCut)
};

ContentEditableInput.prototype.prepareSelection = function () {
  var result = prepareSelection(this.cm, false)
  result.focus = this.cm.state.focused
  return result
};

ContentEditableInput.prototype.showSelection = function (info, takeFocus) {
  if (!info || !this.cm.display.view.length) { return }
  if (info.focus || takeFocus) { this.showPrimarySelection() }
  this.showMultipleSelections(info)
};

ContentEditableInput.prototype.showPrimarySelection = function () {
  var sel = window.getSelection(), cm = this.cm, prim = cm.doc.sel.primary()
  var from = prim.from(), to = prim.to()

  if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) {
    sel.removeAllRanges()
    return
  }

  var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset)
  var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset)
  if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad &&
      cmp(minPos(curAnchor, curFocus), from) == 0 &&
      cmp(maxPos(curAnchor, curFocus), to) == 0)
    { return }

  var view = cm.display.view
  var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) ||
      {node: view[0].measure.map[2], offset: 0}
  var end = to.line < cm.display.viewTo && posToDOM(cm, to)
  if (!end) {
    var measure = view[view.length - 1].measure
    var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map
    end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]}
  }

  if (!start || !end) {
    sel.removeAllRanges()