diff options
Diffstat (limited to 'js/vendor/angular-ui/test/lib/codemirror/codemirror.js')
-rw-r--r-- | js/vendor/angular-ui/test/lib/codemirror/codemirror.js | 4786 |
1 files changed, 4786 insertions, 0 deletions
diff --git a/js/vendor/angular-ui/test/lib/codemirror/codemirror.js b/js/vendor/angular-ui/test/lib/codemirror/codemirror.js new file mode 100644 index 000000000..8fa0e9421 --- /dev/null +++ b/js/vendor/angular-ui/test/lib/codemirror/codemirror.js @@ -0,0 +1,4786 @@ +// CodeMirror version 3.02 +// +// CodeMirror is the only global var we claim +window.CodeMirror = (function() { + "use strict"; + + // BROWSER SNIFFING + + // Crude, but necessary to handle a number of hard-to-feature-detect + // bugs and behavior differences. + var gecko = /gecko\/\d/i.test(navigator.userAgent); + var ie = /MSIE \d/.test(navigator.userAgent); + var ie_lt8 = ie && (document.documentMode == null || document.documentMode < 8); + var ie_lt9 = ie && (document.documentMode == null || document.documentMode < 9); + var webkit = /WebKit\//.test(navigator.userAgent); + var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(navigator.userAgent); + var chrome = /Chrome\//.test(navigator.userAgent); + var opera = /Opera\//.test(navigator.userAgent); + var safari = /Apple Computer/.test(navigator.vendor); + var khtml = /KHTML\//.test(navigator.userAgent); + var mac_geLion = /Mac OS X 1\d\D([7-9]|\d\d)\D/.test(navigator.userAgent); + var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(navigator.userAgent); + var phantom = /PhantomJS/.test(navigator.userAgent); + + var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent); + // This is woefully incomplete. Suggestions for alternative methods welcome. + var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(navigator.userAgent); + var mac = ios || /Mac/.test(navigator.platform); + var windows = /windows/i.test(navigator.platform); + + var opera_version = opera && navigator.userAgent.match(/Version\/(\d*\.\d*)/); + if (opera_version) opera_version = Number(opera_version[1]); + // Some browsers use the wrong event properties to signal cmd/ctrl on OS X + var flipCtrlCmd = mac && (qtwebkit || opera && (opera_version == null || opera_version < 12.11)); + + // Optimize some code when these features are not used + var sawReadOnlySpans = false, sawCollapsedSpans = false; + + // CONSTRUCTOR + + function CodeMirror(place, options) { + if (!(this instanceof CodeMirror)) return new CodeMirror(place, options); + + this.options = options = options || {}; + // Determine effective options based on given values and defaults. + for (var opt in defaults) if (!options.hasOwnProperty(opt) && defaults.hasOwnProperty(opt)) + options[opt] = defaults[opt]; + setGuttersForLineNumbers(options); + + var display = this.display = makeDisplay(place); + display.wrapper.CodeMirror = this; + updateGutters(this); + if (options.autofocus && !mobile) focusInput(this); + + this.view = makeView(new BranchChunk([new LeafChunk([makeLine("", null, textHeight(display))])])); + this.nextOpId = 0; + loadMode(this); + themeChanged(this); + if (options.lineWrapping) + this.display.wrapper.className += " CodeMirror-wrap"; + + // Initialize the content. + this.setValue(options.value || ""); + // Override magic textarea content restore that IE sometimes does + // on our hidden textarea on reload + if (ie) setTimeout(bind(resetInput, this, true), 20); + this.view.history = makeHistory(); + + registerEventHandlers(this); + // IE throws unspecified error in certain cases, when + // trying to access activeElement before onload + var hasFocus; try { hasFocus = (document.activeElement == display.input); } catch(e) { } + if (hasFocus || (options.autofocus && !mobile)) setTimeout(bind(onFocus, this), 20); + else onBlur(this); + + operation(this, function() { + for (var opt in optionHandlers) + if (optionHandlers.propertyIsEnumerable(opt)) + optionHandlers[opt](this, options[opt], Init); + for (var i = 0; i < initHooks.length; ++i) initHooks[i](this); + })(); + } + + // DISPLAY CONSTRUCTOR + + function makeDisplay(place) { + var d = {}; + var input = d.input = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none;"); + if (webkit) input.style.width = "1000px"; + else input.setAttribute("wrap", "off"); + input.setAttribute("autocorrect", "off"); input.setAttribute("autocapitalize", "off"); + // Wraps and hides input textarea + d.inputDiv = elt("div", [input], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); + // The actual fake scrollbars. + d.scrollbarH = elt("div", [elt("div", null, null, "height: 1px")], "CodeMirror-hscrollbar"); + d.scrollbarV = elt("div", [elt("div", null, null, "width: 1px")], "CodeMirror-vscrollbar"); + d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler"); + // DIVs containing the selection and the actual code + d.lineDiv = elt("div"); + d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1"); + // Blinky cursor, and element used to ensure cursor fits at the end of a line + d.cursor = elt("div", "\u00a0", "CodeMirror-cursor"); + // Secondary cursor, shown when on a 'jump' in bi-directional text + d.otherCursor = elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"); + // Used to measure text size + d.measure = elt("div", null, "CodeMirror-measure"); + // Wraps everything that needs to exist inside the vertically-padded coordinate system + d.lineSpace = elt("div", [d.measure, d.selectionDiv, d.lineDiv, d.cursor, d.otherCursor], + null, "position: relative; outline: none"); + // Moved around its parent to cover visible view + d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative"); + // Set to the height of the text, causes scrolling + d.sizer = elt("div", [d.mover], "CodeMirror-sizer"); + // D is needed because behavior of elts with overflow: auto and padding is inconsistent across browsers + d.heightForcer = elt("div", "\u00a0", null, "position: absolute; height: " + scrollerCutOff + "px"); + // Will contain the gutters, if any + d.gutters = elt("div", null, "CodeMirror-gutters"); + d.lineGutter = null; + // Helper element to properly size the gutter backgrounds + var scrollerInner = elt("div", [d.sizer, d.heightForcer, d.gutters], null, "position: relative; min-height: 100%"); + // Provides scrolling + d.scroller = elt("div", [scrollerInner], "CodeMirror-scroll"); + d.scroller.setAttribute("tabIndex", "-1"); + // The element in which the editor lives. + d.wrapper = elt("div", [d.inputDiv, d.scrollbarH, d.scrollbarV, + d.scrollbarFiller, d.scroller], "CodeMirror"); + // Work around IE7 z-index bug + if (ie_lt8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; } + if (place.appendChild) place.appendChild(d.wrapper); else place(d.wrapper); + + // Needed to hide big blue blinking cursor on Mobile Safari + if (ios) input.style.width = "0px"; + if (!webkit) d.scroller.draggable = true; + // Needed to handle Tab key in KHTML + if (khtml) { d.inputDiv.style.height = "1px"; d.inputDiv.style.position = "absolute"; } + // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). + else if (ie_lt8) d.scrollbarH.style.minWidth = d.scrollbarV.style.minWidth = "18px"; + + // Current visible range (may be bigger than the view window). + d.viewOffset = d.showingFrom = d.showingTo = d.lastSizeC = 0; + + // Used to only resize the line number gutter when necessary (when + // the amount of lines crosses a boundary that makes its width change) + d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null; + // See readInput and resetInput + d.prevInput = ""; + // Set to true when a non-horizontal-scrolling widget is added. As + // an optimization, widget aligning is skipped when d is false. + d.alignWidgets = false; + // Flag that indicates whether we currently expect input to appear + // (after some event like 'keypress' or 'input') and are polling + // intensively. + d.pollingFast = false; + // Self-resetting timeout for the poller + d.poll = new Delayed(); + // True when a drag from the editor is active + d.draggingText = false; + + d.cachedCharWidth = d.cachedTextHeight = null; + d.measureLineCache = []; + d.measureLineCachePos = 0; + + // Tracks when resetInput has punted to just putting a short + // string instead of the (large) selection. + d.inaccurateSelection = false; + + // Used to adjust overwrite behaviour when a paste has been + // detected + d.pasteIncoming = false; + + // Used for measuring wheel scrolling granularity + d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null; + + return d; + } + + // VIEW CONSTRUCTOR + + function makeView(doc) { + var selPos = {line: 0, ch: 0}; + return { + doc: doc, + // frontier is the point up to which the content has been parsed, + frontier: 0, highlight: new Delayed(), + sel: {from: selPos, to: selPos, head: selPos, anchor: selPos, shift: false, extend: false}, + scrollTop: 0, scrollLeft: 0, + overwrite: false, focused: false, + // Tracks the maximum line length so that + // the horizontal scrollbar can be kept + // static when scrolling. + maxLine: getLine(doc, 0), + maxLineLength: 0, + maxLineChanged: false, + suppressEdits: false, + goalColumn: null, + cantEdit: false, + keyMaps: [], + overlays: [], + modeGen: 0 + }; + } + + // STATE UPDATES + + // Used to get the editor into a consistent state again when options change. + + function loadMode(cm) { + var doc = cm.view.doc; + cm.view.mode = CodeMirror.getMode(cm.options, cm.options.mode); + doc.iter(0, doc.size, function(line) { + if (line.stateAfter) line.stateAfter = null; + if (line.styles) line.styles = null; + }); + cm.view.frontier = 0; + startWorker(cm, 100); + cm.view.modeGen++; + if (cm.curOp) regChange(cm, 0, doc.size); + } + + function wrappingChanged(cm) { + var doc = cm.view.doc, th = textHeight(cm.display); + if (cm.options.lineWrapping) { + cm.display.wrapper.className += " CodeMirror-wrap"; + var perLine = cm.display.scroller.clientWidth / charWidth(cm.display) - 3; + doc.iter(0, doc.size, function(line) { + if (line.height == 0) return; + var guess = Math.ceil(line.text.length / perLine) || 1; + if (guess != 1) updateLineHeight(line, guess * th); + }); + cm.display.sizer.style.minWidth = ""; + } else { + cm.display.wrapper.className = cm.display.wrapper.className.replace(" CodeMirror-wrap", ""); + computeMaxLength(cm.view); + doc.iter(0, doc.size, function(line) { + if (line.height != 0) updateLineHeight(line, th); + }); + } + regChange(cm, 0, doc.size); + clearCaches(cm); + setTimeout(function(){updateScrollbars(cm.display, cm.view.doc.height);}, 100); + } + + function keyMapChanged(cm) { + var style = keyMap[cm.options.keyMap].style; + cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-keymap-\S+/g, "") + + (style ? " cm-keymap-" + style : ""); + } + + function themeChanged(cm) { + cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + + cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-"); + clearCaches(cm); + } + + function guttersChanged(cm) { + updateGutters(cm); + updateDisplay(cm, true); + } + + function updateGutters(cm) { + var gutters = cm.display.gutters, specs = cm.options.gutters; + removeChildren(gutters); + for (var i = 0; i < specs.length; ++i) { + var gutterClass = specs[i]; + var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass)); + if (gutterClass == "CodeMirror-linenumbers") { + cm.display.lineGutter = gElt; + gElt.style.width = (cm.display.lineNumWidth || 1) + "px"; + } + } + gutters.style.display = i ? "" : "none"; + } + + function lineLength(doc, line) { + if (line.height == 0) return 0; + var len = line.text.length, merged, cur = line; + while (merged = collapsedSpanAtStart(cur)) { + var found = merged.find(); + cur = getLine(doc, found.from.line); + len += found.from.ch - found.to.ch; + } + cur = line; + while (merged = collapsedSpanAtEnd(cur)) { + var found = merged.find(); + len -= cur.text.length - found.from.ch; + cur = getLine(doc, found.to.line); + len += cur.text.length - found.to.ch; + } + return len; + } + + function computeMaxLength(view) { + view.maxLine = getLine(view.doc, 0); + view.maxLineLength = lineLength(view.doc, view.maxLine); + view.maxLineChanged = true; + view.doc.iter(1, view.doc.size, function(line) { + var len = lineLength(view.doc, line); + if (len > view.maxLineLength) { + view.maxLineLength = len; + view.maxLine = line; + } + }); + } + + // Make sure the gutters options contains the element + // "CodeMirror-linenumbers" when the lineNumbers option is true. + function setGuttersForLineNumbers(options) { + var found = false; + for (var i = 0; i < options.gutters.length; ++i) { + if (options.gutters[i] == "CodeMirror-linenumbers") { + if (options.lineNumbers) found = true; + else options.gutters.splice(i--, 1); + } + } + if (!found && options.lineNumbers) + options.gutters.push("CodeMirror-linenumbers"); + } + + // SCROLLBARS + + // Re-synchronize the fake scrollbars with the actual size of the + // content. Optionally force a scrollTop. + function updateScrollbars(d /* display */, docHeight) { + var totalHeight = docHeight + 2 * paddingTop(d); + d.sizer.style.minHeight = d.heightForcer.style.top = totalHeight + "px"; + var scrollHeight = Math.max(totalHeight, d.scroller.scrollHeight); + var needsH = d.scroller.scrollWidth > d.scroller.clientWidth; + var needsV = scrollHeight > d.scroller.clientHeight; + if (needsV) { + d.scrollbarV.style.display = "block"; + d.scrollbarV.style.bottom = needsH ? scrollbarWidth(d.measure) + "px" : "0"; + d.scrollbarV.firstChild.style.height = + (scrollHeight - d.scroller.clientHeight + d.scrollbarV.clientHeight) + "px"; + } else d.scrollbarV.style.display = ""; + if (needsH) { + d.scrollbarH.style.display = "block"; + d.scrollbarH.style.right = needsV ? scrollbarWidth(d.measure) + "px" : "0"; + d.scrollbarH.firstChild.style.width = + (d.scroller.scrollWidth - d.scroller.clientWidth + d.scrollbarH.clientWidth) + "px"; + } else d.scrollbarH.style.display = ""; + if (needsH && needsV) { + d.scrollbarFiller.style.display = "block"; + d.scrollbarFiller.style.height = d.scrollbarFiller.style.width = scrollbarWidth(d.measure) + "px"; + } else d.scrollbarFiller.style.display = ""; + + if (mac_geLion && scrollbarWidth(d.measure) === 0) + d.scrollbarV.style.minWidth = d.scrollbarH.style.minHeight = mac_geMountainLion ? "18px" : "12px"; + } + + function visibleLines(display, doc, viewPort) { + var top = display.scroller.scrollTop, height = display.wrapper.clientHeight; + if (typeof viewPort == "number") top = viewPort; + else if (viewPort) {top = viewPort.top; height = viewPort.bottom - viewPort.top;} + top = Math.floor(top - paddingTop(display)); + var bottom = Math.ceil(top + height); + return {from: lineAtHeight(doc, top), to: lineAtHeight(doc, bottom)}; + } + + // LINE NUMBERS + + function alignHorizontally(cm) { + var display = cm.display; + if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) return; + var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.view.scrollLeft; + var gutterW = display.gutters.offsetWidth, l = comp + "px"; + for (var n = display.lineDiv.firstChild; n; n = n.nextSibling) if (n.alignable) { + for (var i = 0, a = n.alignable; i < a.length; ++i) a[i].style.left = l; + } + if (cm.options.fixedGutter) + display.gutters.style.left = (comp + gutterW) + "px"; + } + + function maybeUpdateLineNumberWidth(cm) { + if (!cm.options.lineNumbers) return false; + var doc = cm.view.doc, last = lineNumberFor(cm.options, doc.size - 1), display = cm.display; + if (last.length != display.lineNumChars) { + var test = display.measure.appendChild(elt("div", [elt("div", last)], + "CodeMirror-linenumber CodeMirror-gutter-elt")); + var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW; + display.lineGutter.style.width = ""; + display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding); + display.lineNumWidth = display.lineNumInnerWidth + padding; + display.lineNumChars = display.lineNumInnerWidth ? last.length : -1; + display.lineGutter.style.width = display.lineNumWidth + "px"; + return true; + } + return false; + } + + function lineNumberFor(options, i) { + return String(options.lineNumberFormatter(i + options.firstLineNumber)); + } + function compensateForHScroll(display) { + return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left; + } + + // DISPLAY DRAWING + + function updateDisplay(cm, changes, viewPort) { + var oldFrom = cm.display.showingFrom, oldTo = cm.display.showingTo; + var updated = updateDisplayInner(cm, changes, viewPort); + if (updated) { + signalLater(cm, cm, "update", cm); + if (cm.display.showingFrom != oldFrom || cm.display.showingTo != oldTo) + signalLater(cm, cm, "viewportChange", cm, cm.display.showingFrom, cm.display.showingTo); + } + updateSelection(cm); + updateScrollbars(cm.display, cm.view.doc.height); + + return updated; + } + + // Uses a set of changes plus the current scroll position to + // determine which DOM updates have to be made, and makes the + // updates. + function updateDisplayInner(cm, changes, viewPort) { + var display = cm.display, doc = cm.view.doc; + if (!display.wrapper.clientWidth) { + display.showingFrom = display.showingTo = display.viewOffset = 0; + return; + } + + // Compute the new visible window + // If scrollTop is specified, use that to determine which lines + // to render instead of the current scrollbar position. + var visible = visibleLines(display, doc, viewPort); + // Bail out if the visible area is already rendered and nothing changed. + if (changes !== true && changes.length == 0 && + visible.from > display.showingFrom && visible.to < display.showingTo) + return; + + if (changes && maybeUpdateLineNumberWidth(cm)) + changes = true; + var gutterW = display.sizer.style.marginLeft = display.gutters.offsetWidth + "px"; + display.scrollbarH.style.left = cm.options.fixedGutter ? gutterW : "0"; + + // When merged lines are present, the line that needs to be + // redrawn might not be the one that was changed. + if (changes !== true && sawCollapsedSpans) + for (var i = 0; i < changes.length; ++i) { + var ch = changes[i], merged; + while (merged = collapsedSpanAtStart(getLine(doc, ch.from))) { + var from = merged.find().from.line; + if (ch.diff) ch.diff -= ch.from - from; + ch.from = from; + } + } + + // Used to determine which lines need their line numbers updated + var positionsChangedFrom = changes === true ? 0 : Infinity; + if (cm.options.lineNumbers && changes && changes !== true) + for (var i = 0; i < changes.length; ++i) + if (changes[i].diff) { positionsChangedFrom = changes[i].from; break; } + + var from = Math.max(visible.from - cm.options.viewportMargin, 0); + var to = Math.min(doc.size, visible.to + cm.options.viewportMargin); + if (display.showingFrom < from && from - display.showingFrom < 20) from = display.showingFrom; + if (display.showingTo > to && display.showingTo - to < 20) to = Math.min(doc.size, display.showingTo); + if (sawCollapsedSpans) { + from = lineNo(visualLine(doc, getLine(doc, from))); + while (to < doc.size && lineIsHidden(getLine(doc, to))) ++to; + } + + // Create a range of theoretically intact lines, and punch holes + // in that using the change info. + var intact = changes === true ? [] : + computeIntact([{from: display.showingFrom, to: display.showingTo}], changes); + // Clip off the parts that won't be visible + var intactLines = 0; + for (var i = 0; i < intact.length; ++i) { + var range = intact[i]; + if (range.from < from) range.from = from; + if (range.to > to) range.to = to; + if (range.from >= range.to) intact.splice(i--, 1); + else intactLines += range.to - range.from; + } + if (intactLines == to - from && from == display.showingFrom && to == display.showingTo) + return; + intact.sort(function(a, b) {return a.from - b.from;}); + + var focused = document.activeElement; + if (intactLines < (to - from) * .7) display.lineDiv.style.display = "none"; + patchDisplay(cm, from, to, intact, positionsChangedFrom); + display.lineDiv.style.display = ""; + if (document.activeElement != focused && focused.offsetHeight) focused.focus(); + + var different = from != display.showingFrom || to != display.showingTo || + display.lastSizeC != display.wrapper.clientHeight; + // This is just a bogus formula that detects when the editor is + // resized or the font size changes. + if (different) display.lastSizeC = display.wrapper.clientHeight; + display.showingFrom = from; display.showingTo = to; + startWorker(cm, 100); + + var prevBottom = display.lineDiv.offsetTop; + for (var node = display.lineDiv.firstChild, height; node; node = node.nextSibling) if (node.lineObj) { + if (ie_lt8) { + var bot = node.offsetTop + node.offsetHeight; + height = bot - prevBottom; + prevBottom = bot; + } else { + var box = node.getBoundingClientRect(); + height = box.bottom - box.top; + } + var diff = node.lineObj.height - height; + if (height < 2) height = textHeight(display); + if (diff > .001 || diff < -.001) { + updateLineHeight(node.lineObj, height); + var widgets = node.lineObj.widgets; + if (widgets) for (var i = 0; i < widgets.length; ++i) + widgets[i].height = widgets[i].node.offsetHeight; + } + } + display.viewOffset = heightAtLine(cm, getLine(doc, from)); + // Position the mover div to align with the current virtual scroll position + display.mover.style.top = display.viewOffset + "px"; + + if (visibleLines(display, doc, viewPort).to >= to) + updateDisplayInner(cm, [], viewPort); + return true; + } + + function computeIntact(intact, changes) { + for (var i = 0, l = changes.length || 0; i < l; ++i) { + var change = changes[i], intact2 = [], diff = change.diff || 0; + for (var j = 0, l2 = intact.length; j < l2; ++j) { + var range = intact[j]; + if (change.to <= range.from && change.diff) { + intact2.push({from: range.from + diff, to: range.to + diff}); + } else if (change.to <= range.from || change.from >= range.to) { + intact2.push(range); + } else { + if (change.from > range.from) + intact2.push({from: range.from, to: change.from}); + if (change.to < range.to) + intact2.push({from: change.to + diff, to: range.to + diff}); + } + } + intact = intact2; + } + return intact; + } + + function getDimensions(cm) { + var d = cm.display, left = {}, width = {}; + for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { + left[cm.options.gutters[i]] = n.offsetLeft; + width[cm.options.gutters[i]] = n.offsetWidth; + } + return {fixedPos: compensateForHScroll(d), + gutterTotalWidth: d.gutters.offsetWidth, + gutterLeft: left, + gutterWidth: width, + wrapperWidth: d.wrapper.clientWidth}; + } + + function patchDisplay(cm, from, to, intact, updateNumbersFrom) { + var dims = getDimensions(cm); + var display = cm.display, lineNumbers = cm.options.lineNumbers; + if (!intact.length && (!webkit || !cm.display.currentWheelTarget)) + removeChildren(display.lineDiv); + var container = display.lineDiv, cur = container.firstChild; + + function rm(node) { + var next = node.nextSibling; + if (webkit && mac && cm.display.currentWheelTarget == node) { + node.style.display = "none"; + node.lineObj = null; + } else { + node.parentNode.removeChild(node); + } + return next; + } + + var nextIntact = intact.shift(), lineNo = from; + cm.view.doc.iter(from, to, function(line) { + if (nextIntact && nextIntact.to == lineNo) nextIntact = intact.shift(); + if (lineIsHidden(line)) { + if (line.height != 0) updateLineHeight(line, 0); + if (line.widgets && cur.previousSibling) for (var i = 0; i < line.widgets.length; ++i) + if (line.widgets[i].showIfHidden) { + var prev = cur.previousSibling; + if (prev.nodeType == "pre") { + var wrap = elt("div", null, null, "position: relative"); + prev.parentNode.replaceChild(wrap, prev); + wrap.appendChild(prev); + prev = wrap; + } + prev.appendChild(buildLineWidget(line.widgets[i], prev, dims)); + } + } else if (nextIntact && nextIntact.from <= lineNo && nextIntact.to > lineNo) { + // This line is intact. Skip to the actual node. Update its + // line number if needed. + while (cur.lineObj != line) cur = rm(cur); + if (lineNumbers && updateNumbersFrom <= lineNo && cur.lineNumber) + setTextContent(cur.lineNumber, lineNumberFor(cm.options, lineNo)); + cur = cur.nextSibling; + } else { + // This line needs to be generated. + var lineNode = buildLineElement(cm, line, lineNo, dims); + container.insertBefore(lineNode, cur); + lineNode.lineObj = line; + } + ++lineNo; + }); + while (cur) cur = rm(cur); + } + + function buildLineElement(cm, line, lineNo, dims) { + var lineElement = lineContent(cm, line); + var markers = line.gutterMarkers, display = cm.display; + + if (!cm.options.lineNumbers && !markers && !line.bgClass && !line.wrapClass && + (!line.widgets || !line.widgets.length)) return lineElement; + + // Lines with gutter elements or a background class need + // to be wrapped again, and have the extra elements added + // to the wrapper div + + var wrap = elt("div", null, line.wrapClass, "position: relative"); + if (cm.options.lineNumbers || markers) { + var gutterWrap = wrap.appendChild(elt("div", null, null, "position: absolute; left: " + + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px")); + if (cm.options.fixedGutter) wrap.alignable = [gutterWrap]; + if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"])) + wrap.lineNumber = gutterWrap.appendChild( + elt("div", lineNumberFor(cm.options, lineNo), + "CodeMirror-linenumber CodeMirror-gutter-elt", + "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: " + + display.lineNumInnerWidth + "px")); + if (markers) + for (var k = 0; k < cm.options.gutters.length; ++k) { + var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id]; + if (found) + gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " + + dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px")); + } + } + // Kludge to make sure the styled element lies behind the selection (by z-index) + if (line.bgClass) + wrap.appendChild(elt("div", "\u00a0", line.bgClass + " CodeMirror-linebackground")); + wrap.appendChild(lineElement); + if (line.widgets) for (var i = 0, ws = line.widgets; i < ws.length; ++i) { + var widget = ws[i], node = buildLineWidget(widget, wrap, dims); + if (widget.above) + wrap.insertBefore(node, cm.options.lineNumbers && line.height != 0 ? gutterWrap : lineElement); + else + wrap.appendChild(node); + } + if (ie_lt8) wrap.style.zIndex = 2; + return wrap; + } + + function buildLineWidget(widget, wrap, dims) { + var node = elt("div", [widget.node], "CodeMirror-linewidget"); + node.widget = widget; + if (widget.noHScroll) { + (wrap.alignable || (wrap.alignable = [])).push(node); + var width = dims.wrapperWidth; + node.style.left = dims.fixedPos + "px"; + if (!widget.coverGutter) { + width -= dims.gutterTotalWidth; + node.style.paddingLeft = dims.gutterTotalWidth + "px"; + } + node.style.width = width + "px"; + } + if (widget.coverGutter) { + node.style.zIndex = 5; + node.style.position = "relative"; + if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px"; + } + return node; + } + + // SELECTION / CURSOR + + function updateSelection(cm) { + var display = cm.display; + var collapsed = posEq(cm.view.sel.from, cm.view.sel.to); + if (collapsed || cm.options.showCursorWhenSelecting) + updateSelectionCursor(cm); + else + display.cursor.style.display = display.otherCursor.style.display = "none"; + if (!collapsed) + updateSelectionRange(cm); + else + display.selectionDiv.style.display = "none"; + + // Move the hidden textarea near the cursor to prevent scrolling artifacts + var headPos = cursorCoords(cm, cm.view.sel.head, "div"); + var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect(); + display.inputDiv.style.top = Math.max(0, Math.min(display.wrapper.clientHeight - 10, + headPos.top + lineOff.top - wrapOff.top)) + "px"; + display.inputDiv.style.left = Math.max(0, Math.min(display.wrapper.clientWidth - 10, + headPos.left + lineOff.left - wrapOff.left)) + "px"; + } + + // No selection, plain cursor + function updateSelectionCursor(cm) { + var display = cm.display, pos = cursorCoords(cm, cm.view.sel.head, "div"); + display.cursor.style.left = pos.left + "px"; + display.cursor.style.top = pos.top + "px"; + display.cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"; + display.cursor.style.display = ""; + + if (pos.other) { + display.otherCursor.style.display = ""; + display.otherCursor.style.left = pos.other.left + "px"; + display.otherCursor.style.top = pos.other.top + "px"; + display.otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px"; + } else { display.otherCursor.style.display = "none"; } + } + + // Highlight selection + function updateSelectionRange(cm) { + var display = cm.display, doc = cm.view.doc, sel = cm.view.sel; + var fragment = document.createDocumentFragment(); + var clientWidth = display.lineSpace.offsetWidth, pl = paddingLeft(cm.display); + + function add(left, top, width, bottom) { + if (top < 0) top = 0; + fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left + + "px; top: " + top + "px; width: " + (width == null ? clientWidth - left : width) + + "px; height: " + (bottom - top) + "px")); + } + + function drawForLine(line, fromArg, toArg, retTop) { + var lineObj = getLine(doc, line); + var lineLen = lineObj.text.length, rVal = retTop ? Infinity : -Infinity; + function coords(ch) { + return charCoords(cm, {line: line, ch: ch}, "div", lineObj); + } + + iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) { + var leftPos = coords(dir == "rtl" ? to - 1 : from); + var rightPos = coords(dir == "rtl" ? from : to - 1); + var left = leftPos.left, right = rightPos.right; + if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part + add(left, leftPos.top, null, leftPos.bottom); + left = pl; + if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top); + } + if (toArg == null && to == lineLen) right = clientWidth; + if (fromArg == null && from == 0) left = pl; + rVal = retTop ? Math.min(rightPos.top, rVal) : Math.max(rightPos.bottom, rVal); + if (left < pl + 1) left = pl; + add(left, rightPos.top, right - left, rightPos.bottom); + }); + return rVal; + } + + if (sel.from.line == sel.to.line) { + drawForLine(sel.from.line, sel.from.ch, sel.to.ch); + } else { + var fromObj = getLine(doc, sel.from.line); + var cur = fromObj, merged, path = [sel.from.line, sel.from.ch], singleLine; + while (merged = collapsedSpanAtEnd(cur)) { + var found = merged.find(); + path.push(found.from.ch, found.to.line, found.to.ch); + if (found.to.line == sel.to.line) { + path.push(sel.to.ch); + singleLine = true; + break; + } + cur = getLine(doc, found.to.line); + } + + // This is a single, merged line + if (singleLine) { + for (var i = 0; i < path.length; i += 3) + drawForLine(path[i], path[i+1], path[i+2]); + } else { + var middleTop, middleBot, toObj = getLine(doc, sel.to.line); + if (sel.from.ch) + // Draw the first line of selection. + middleTop = drawForLine(sel.from.line, sel.from.ch, null, false); + else + // Simply include it in the middle block. + middleTop = heightAtLine(cm, fromObj) - display.viewOffset; + + if (!sel.to.ch) + middleBot = heightAtLine(cm, toObj) - display.viewOffset; + else + middleBot = drawForLine(sel.to.line, collapsedSpanAtStart(toObj) ? null : 0, sel.to.ch, true); + + if (middleTop < middleBot) add(pl, middleTop, null, middleBot); + } + } + + removeChildrenAndAdd(display.selectionDiv, fragment); + display.selectionDiv.style.display = ""; + } + + // Cursor-blinking + function restartBlink(cm) { + var display = cm.display; + clearInterval(display.blinker); + var on = true; + display.cursor.style.visibility = display.otherCursor.style.visibility = ""; + display.blinker = setInterval(function() { + if (!display.cursor.offsetHeight) return; + display.cursor.style.visibility = display.otherCursor.style.visibility = (on = !on) ? "" : "hidden"; + }, cm.options.cursorBlinkRate); + } + + // HIGHLIGHT WORKER + + function startWorker(cm, time) { + if (cm.view.mode.startState && cm.view.frontier < cm.display.showingTo) + cm.view.highlight.set(time, bind(highlightWorker, cm)); + } + + function highlightWorker(cm) { + var view = cm.view, doc = view.doc; + if (view.frontier >= cm.display.showingTo) return; + var end = +new Date + cm.options.workTime; + var state = copyState(view.mode, getStateBefore(cm, view.frontier)); + var changed = [], prevChange; + doc.iter(view.frontier, Math.min(doc.size, cm.display.showingTo + 500), function(line) { + if (view.frontier >= cm.display.showingFrom) { // Visible + var oldStyles = line.styles; |