mirror of
https://github.com/wagesj45/butterflow-ui.git
synced 2024-12-22 17:12:42 -06:00
149 lines
5.2 KiB
JavaScript
149 lines
5.2 KiB
JavaScript
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//===============================================================================================================
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// System : Color Syntax Highlighter
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// File : Highlight.js
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// Author : Eric Woodruff (Eric@EWoodruff.us)
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// Updated : 10/21/2012
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// Note : Copyright 2006-2012, Eric Woodruff, All rights reserved
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//
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// This contains the script to expand and collapse the regions in the syntax highlighted code.
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//
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// This is a customized version for the Sandcastle Help File Builder. It overrides the CopyCode() function
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// from the Hana, Prototype, and VS2005 presentation styles to remove the line numbering and collapsible
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// region elements. The VS2010 style does not currently use the CopyCode() function in here as it has its own
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// version for copying the code.
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//===============================================================================================================
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// Expand/collapse a region
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function HighlightExpandCollapse(showId, hideId)
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{
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var showSpan = document.getElementById(showId), hideSpan = document.getElementById(hideId);
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showSpan.style.display = "inline";
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hideSpan.style.display = "none";
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}
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// Copy the code from a colorized code block to the clipboard.
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function CopyCode(key)
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{
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var idx, line, block, htmlLines, lines, codeText, hasLineNos, hasRegions, clip, trans,
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copyObject, clipID;
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var reLineNo = /^\s*\d{1,4}/;
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var reRegion = /^\s*\d{1,4}\+.*?\d{1,4}-/;
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var reRegionText = /^\+.*?\-/;
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// Find the table row element containing the code
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var trElements = document.getElementsByTagName("tr");
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for(idx = 0; idx < trElements.length; idx++)
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if(key.parentNode.parentNode.parentNode == trElements[idx].parentNode)
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{
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block = trElements[idx].nextSibling;
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break;
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}
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if(block.innerText != undefined)
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codeText = block.innerText;
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else
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codeText = block.textContent;
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hasLineNos = block.innerHTML.indexOf("highlight-lineno");
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hasRegions = block.innerHTML.indexOf("highlight-collapsebox");
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htmlLines = block.innerHTML.split("\n");
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lines = codeText.split("\n");
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// Remove the line numbering and collapsible regions if present
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if(hasLineNos != -1 || hasRegions != -1)
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{
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codeText = "";
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for(idx = 0; idx < lines.length; idx++)
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{
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line = lines[idx];
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if(hasRegions && reRegion.test(line))
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line = line.replace(reRegion, "");
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else
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{
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line = line.replace(reLineNo, "");
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// Lines in expanded blocks have an extra space
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if(htmlLines[idx].indexOf("highlight-expanded") != -1 ||
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htmlLines[idx].indexOf("highlight-endblock") != -1)
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line = line.substr(1);
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}
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if(hasRegions && reRegionText.test(line))
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line = line.replace(reRegionText, "");
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codeText += line;
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// Not all browsers keep the line feed when split
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if(line[line.length - 1] != "\n")
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codeText += "\n";
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}
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}
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// IE or FireFox/Netscape?
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if(window.clipboardData)
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window.clipboardData.setData("Text", codeText);
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else
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if(window.netscape)
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{
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// Give unrestricted access to browser APIs using XPConnect
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try
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{
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netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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}
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catch(e)
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{
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alert("Universal Connect was refused, cannot copy to clipboard. Go to about:config and set " +
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"signed.applets.codebase_principal_support to true to enable clipboard support.");
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return;
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}
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// Creates an instance of nsIClipboard
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clip = Components.classes["@mozilla.org/widget/clipboard;1"].createInstance(
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Components.interfaces.nsIClipboard);
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// Creates an instance of nsITransferable
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if(clip)
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trans = Components.classes["@mozilla.org/widget/transferable;1"].createInstance(
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Components.interfaces.nsITransferable);
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if(!trans)
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{
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alert("Copy to Clipboard is not supported by this browser");
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return;
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}
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// Register the data flavor
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trans.addDataFlavor("text/unicode");
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// Create object to hold the data
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copyObject = new Object();
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// Creates an instance of nsISupportsString
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copyObject = Components.classes["@mozilla.org/supports-string;1"].createInstance(
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Components.interfaces.nsISupportsString);
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// Assign the data to be copied
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copyObject.data = codeText;
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// Add data objects to transferable
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trans.setTransferData("text/unicode", copyObject, codeText.length * 2);
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clipID = Components.interfaces.nsIClipboard;
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if(!clipID)
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{
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alert("Copy to Clipboard is not supported by this browser");
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return;
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}
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// Transfer the data to the clipboard
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clip.setData(trans, null, clipID.kGlobalClipboard);
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}
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else
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alert("Copy to Clipboard is not supported by this browser");
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}
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