mirror of
https://github.com/photonstorm/phaser
synced 2024-11-24 05:33:35 +00:00
104 lines
No EOL
3.3 KiB
JavaScript
104 lines
No EOL
3.3 KiB
JavaScript
/**
|
|
* Sunlight line number/line highlighting plugin
|
|
*
|
|
* This creates the line number gutter in addition to creating the line highlighting
|
|
* overlay (if applicable). It is bundled in sunlight-min.js.
|
|
*
|
|
* Options:
|
|
* - lineNumbers: true/false/"automatic" (default is "automatic")
|
|
* - lineNumberStart: <number> (line number to start from, default is 1)
|
|
* - lineHighlight: <array> (array of line numbers to highlight)
|
|
*/
|
|
(function(sunlight, document, undefined){
|
|
if (sunlight === undefined) {
|
|
throw "Include sunlight.js before including plugin files";
|
|
}
|
|
|
|
function getLineCount(node) {
|
|
//browsers don't render the last trailing newline, so we make sure that the line numbers reflect that
|
|
//by disregarding the last trailing newline
|
|
|
|
//get the last text node
|
|
var lastTextNode = function getLastNode(node) {
|
|
if (!node.lastChild) {
|
|
return null;
|
|
}
|
|
|
|
if (node.lastChild.nodeType === 3) {
|
|
return node.lastChild;
|
|
}
|
|
|
|
return getLastNode(node.lastChild);
|
|
}(node) || { lastChild: "" };
|
|
|
|
return node.innerHTML.replace(/[^\n]/g, "").length - /\n$/.test(lastTextNode.nodeValue);
|
|
}
|
|
|
|
sunlight.bind("afterHighlightNode", function(context) {
|
|
var lineContainer,
|
|
lineCount,
|
|
lineHighlightOverlay,
|
|
currentLineOverlay,
|
|
lineHighlightingEnabled,
|
|
i,
|
|
eol,
|
|
link,
|
|
name;
|
|
|
|
if (!this.options.lineNumbers) {
|
|
return;
|
|
}
|
|
|
|
if (this.options.lineNumbers === "automatic" && sunlight.util.getComputedStyle(context.node, "display") !== "block") {
|
|
//if it's not a block level element or the lineNumbers option is not set to "automatic"
|
|
return;
|
|
}
|
|
|
|
lineContainer = document.createElement("pre");
|
|
lineCount = getLineCount(context.node);
|
|
|
|
lineHighlightingEnabled = this.options.lineHighlight.length > 0;
|
|
if (lineHighlightingEnabled) {
|
|
lineHighlightOverlay = document.createElement("div");
|
|
lineHighlightOverlay.className = this.options.classPrefix + "line-highlight-overlay";
|
|
}
|
|
|
|
lineContainer.className = this.options.classPrefix + "line-number-margin";
|
|
|
|
eol = document.createTextNode(sunlight.util.eol)
|
|
for (i = this.options.lineNumberStart; i <= this.options.lineNumberStart + lineCount; i++) {
|
|
link = document.createElement("a");
|
|
name = (context.node.id ? context.node.id : this.options.classPrefix + context.count) + "-line-" + i;
|
|
|
|
link.setAttribute("name", name);
|
|
link.setAttribute("href", "#" + name);
|
|
|
|
link.appendChild(document.createTextNode(i));
|
|
lineContainer.appendChild(link);
|
|
lineContainer.appendChild(eol.cloneNode(false));
|
|
|
|
if (lineHighlightingEnabled) {
|
|
currentLineOverlay = document.createElement("div");
|
|
if (sunlight.util.contains(this.options.lineHighlight, i)) {
|
|
currentLineOverlay.className = this.options.classPrefix + "line-highlight-active";
|
|
}
|
|
lineHighlightOverlay.appendChild(currentLineOverlay);
|
|
}
|
|
}
|
|
|
|
context.codeContainer.insertBefore(lineContainer, context.codeContainer.firstChild);
|
|
|
|
if (lineHighlightingEnabled) {
|
|
context.codeContainer.appendChild(lineHighlightOverlay);
|
|
}
|
|
|
|
//enable the border on the code container
|
|
context.codeContainer.style.borderWidth = "1px";
|
|
context.codeContainer.style.borderStyle = "solid";
|
|
});
|
|
|
|
sunlight.globalOptions.lineNumbers = "automatic";
|
|
sunlight.globalOptions.lineNumberStart = 1;
|
|
sunlight.globalOptions.lineHighlight = [];
|
|
|
|
}(this["Sunlight"], document)); |