mirror of
https://github.com/photonstorm/phaser
synced 2024-11-27 23:20:59 +00:00
104 lines
No EOL
3.3 KiB
JavaScript
Executable file
104 lines
No EOL
3.3 KiB
JavaScript
Executable file
/**
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* Sunlight line number/line highlighting plugin
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*
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* This creates the line number gutter in addition to creating the line highlighting
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* overlay (if applicable). It is bundled in sunlight-min.js.
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*
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* Options:
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* - lineNumbers: true/false/"automatic" (default is "automatic")
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* - lineNumberStart: <number> (line number to start from, default is 1)
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* - lineHighlight: <array> (array of line numbers to highlight)
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*/
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(function(sunlight, document, undefined){
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if (sunlight === undefined) {
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throw "Include sunlight.js before including plugin files";
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}
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function getLineCount(node) {
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//browsers don't render the last trailing newline, so we make sure that the line numbers reflect that
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//by disregarding the last trailing newline
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//get the last text node
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var lastTextNode = function getLastNode(node) {
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if (!node.lastChild) {
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return null;
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}
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if (node.lastChild.nodeType === 3) {
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return node.lastChild;
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}
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return getLastNode(node.lastChild);
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}(node) || { lastChild: "" };
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return node.innerHTML.replace(/[^\n]/g, "").length - /\n$/.test(lastTextNode.nodeValue);
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}
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sunlight.bind("afterHighlightNode", function(context) {
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var lineContainer,
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lineCount,
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lineHighlightOverlay,
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currentLineOverlay,
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lineHighlightingEnabled,
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i,
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eol,
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link,
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name;
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if (!this.options.lineNumbers) {
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return;
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}
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if (this.options.lineNumbers === "automatic" && sunlight.util.getComputedStyle(context.node, "display") !== "block") {
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//if it's not a block level element or the lineNumbers option is not set to "automatic"
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return;
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}
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lineContainer = document.createElement("pre");
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lineCount = getLineCount(context.node);
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lineHighlightingEnabled = this.options.lineHighlight.length > 0;
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if (lineHighlightingEnabled) {
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lineHighlightOverlay = document.createElement("div");
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lineHighlightOverlay.className = this.options.classPrefix + "line-highlight-overlay";
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}
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lineContainer.className = this.options.classPrefix + "line-number-margin";
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eol = document.createTextNode(sunlight.util.eol)
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for (i = this.options.lineNumberStart; i <= this.options.lineNumberStart + lineCount; i++) {
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link = document.createElement("a");
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name = (context.node.id ? context.node.id : this.options.classPrefix + context.count) + "-line-" + i;
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link.setAttribute("name", name);
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link.setAttribute("href", "#" + name);
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link.appendChild(document.createTextNode(i));
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lineContainer.appendChild(link);
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lineContainer.appendChild(eol.cloneNode(false));
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if (lineHighlightingEnabled) {
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currentLineOverlay = document.createElement("div");
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if (sunlight.util.contains(this.options.lineHighlight, i)) {
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currentLineOverlay.className = this.options.classPrefix + "line-highlight-active";
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}
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lineHighlightOverlay.appendChild(currentLineOverlay);
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}
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}
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context.codeContainer.insertBefore(lineContainer, context.codeContainer.firstChild);
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if (lineHighlightingEnabled) {
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context.codeContainer.appendChild(lineHighlightOverlay);
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}
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//enable the border on the code container
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context.codeContainer.style.borderWidth = "1px";
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context.codeContainer.style.borderStyle = "solid";
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});
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sunlight.globalOptions.lineNumbers = "automatic";
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sunlight.globalOptions.lineNumberStart = 1;
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sunlight.globalOptions.lineHighlight = [];
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}(this["Sunlight"], document)); |