// Adapted from:
//http://en.wikipedia.org/wiki/Wikipedia:WikiProject_User_scripts/Scripts/Force_edit_summary
// [[User:Razorclaw/force edit summary.js]]

// The original value of the edit summary field is stored here
var editsummOriginalSummary = new String();

// A global ref to the dropdown with canned edit summaries
var editsummDropdown = null;

function editsummInitialize()
{
    // TEMPORARY - check window title while testing this code
    // and only do anything if it's the sandbox or a sample CP page
    // var wt = document.title;
    // if ((wt.indexOf('Sandbox')==-1) && (wt.indexOf('Mitch McCon')==-1))
    // {
    //     return;
    // }

    if(!/&action=edit/.test(window.location.href) && !/&action=submit/.test(window.location.href)) return;
    if(/&section=new/.test(window.location.href)) return;
    if(!document.forms.editform) return;
    document.forms.editform.wpSave.onclick = editsummForceSummary;

    // Save the original value of the edit summary field
    editsummOriginalSummary = document.forms.editform.wpSummary.value;

    // For convenience, add a dropdown box with some canned edit
    // summaries to the form.
    // Put in alphabetical order

    var dropdown = document.createElement("select");
    dropdown.onchange = new Function("editsummOnCannedSummarySelected()");

    editsummAddOptionToDropdown(dropdown,"");
    editsummAddOptionToDropdown(dropdown,"add");
    editsummAddOptionToDropdown(dropdown,"add categories");
    editsummAddOptionToDropdown(dropdown,"add category");
    editsummAddOptionToDropdown(dropdown,"add citation");
    editsummAddOptionToDropdown(dropdown,"add external link");
    editsummAddOptionToDropdown(dropdown,"add internal link");
    editsummAddOptionToDropdown(dropdown,"add ref");
    editsummAddOptionToDropdown(dropdown,"add section");
    editsummAddOptionToDropdown(dropdown,"add template");
    editsummAddOptionToDropdown(dropdown,"create redirect page");
    editsummAddOptionToDropdown(dropdown,"create stub article");
    editsummAddOptionToDropdown(dropdown,"delete external link");
    editsummAddOptionToDropdown(dropdown,"delete internal link");
    editsummAddOptionToDropdown(dropdown,"dewikify");
    editsummAddOptionToDropdown(dropdown,"fix");
    editsummAddOptionToDropdown(dropdown,"fix broken link");
    editsummAddOptionToDropdown(dropdown,"fix grammar");
    editsummAddOptionToDropdown(dropdown,"fix punctuation");
    editsummAddOptionToDropdown(dropdown,"fix spelling");
    editsummAddOptionToDropdown(dropdown,"LOL");
    editsummAddOptionToDropdown(dropdown,"make link into plain text (dewikify)");
    editsummAddOptionToDropdown(dropdown,"make existing text into link (wikify)");
    editsummAddOptionToDropdown(dropdown,"minor edit");
    editsummAddOptionToDropdown(dropdown,"miscellaneous");
    editsummAddOptionToDropdown(dropdown,"more");
    editsummAddOptionToDropdown(dropdown,"move");
    editsummAddOptionToDropdown(dropdown,"move section");
    editsummAddOptionToDropdown(dropdown,"move unrefd material to talk page");
    editsummAddOptionToDropdown(dropdown,"new article");
    editsummAddOptionToDropdown(dropdown,"question");
    editsummAddOptionToDropdown(dropdown,"readd");
    editsummAddOptionToDropdown(dropdown,"remove");
    editsummAddOptionToDropdown(dropdown,"remove repetition");
    editsummAddOptionToDropdown(dropdown,"reorder links");
    editsummAddOptionToDropdown(dropdown,"reorder section");
    editsummAddOptionToDropdown(dropdown,"reorder wording");
    editsummAddOptionToDropdown(dropdown,"reply");
    editsummAddOptionToDropdown(dropdown,"request");
    editsummAddOptionToDropdown(dropdown,"request speedy deletion");
    editsummAddOptionToDropdown(dropdown,"test");
    editsummAddOptionToDropdown(dropdown,"welcome");
    editsummAddOptionToDropdown(dropdown,"welcome new user");
    editsummAddOptionToDropdown(dropdown,"welcome to the Himalayas!");
    editsummAddOptionToDropdown(dropdown,"wikify");
    editsummAddOptionToDropdown(dropdown,"you're welcome");
    editsummAddOptionToDropdown(dropdown,"???");
    editsummAddOptionToDropdown(dropdown,"!!!");
    editsummAddOptionToDropdown(dropdown,"...");
    editsummAddOptionToDropdown(dropdown,"*_*");

    var insertBeforeThis = document.forms.editform.wpSummary.nextSibling;
    var theParent = insertBeforeThis.parentNode;
    theParent.insertBefore(dropdown,insertBeforeThis);

    // Store a global ref to it
    editsummDropdown = dropdown;
}

function editsummAddOptionToDropdown(dropdown,optionText)
{
    var option = document.createElement("option");
    var optionTextNode = document.createTextNode(optionText);
    option.appendChild(optionTextNode);
    dropdown.appendChild(option);
}

// There's a cross-browser issue when accessing the selected text:
// *In Firefox you can use: selectObj.value
// *In IE, you have to use: selectObj.options[selectObj.selectedIndex].text
// *The latter method also works in Firefox
function editsummOnCannedSummarySelected()
{
    var idx = editsummDropdown.selectedIndex;
    var canned = editsummDropdown.options[idx].text;

    var newSummary = editsummOriginalSummary;
    if (newSummary.length!=0) newSummary += " ";
    newSummary += canned;
    document.forms.editform.wpSummary.value = newSummary;
}

function editsummForceSummary()
{
    if(!document.forms.editform.wpSummary.value.replace(/^(?:\/\\*.*\\*\/)? *(.*) *$/,'$1'))
    {
        alert("Please supply a meaningful summary of this edit");
        document.forms.editform.wpSummary.focus();
        return false;
    }

    // An edit summary has been supplied. So now do the SW/CP auto-prefixing.

    editsummAddSubProjectPrefix();

    return true;
}

// Prefix the edit summary with "SW" or "CP"
// depending on whether it's a SourceWatch or Congresspedia page.
// To determine this, look for a link to "Template:Congresspedia"
// on the edit page.

// To readd SW: put it in the first "" after the var prefix =
// To readd CP: put it in the second "" after the prefix =

function editsummAddSubProjectPrefix()
{
    // Using the document.links array and the href prop seems to give
    // the best cross-browser results.
    var allAnchors = document.links;
    if (allAnchors)
    {
        var prefix = "";
        for (i = 0; i < allAnchors.length; i++)
        {
             var anchorHref = allAnchors[i].href;
             if (anchorHref)
             {
                 if (anchorHref.indexOf('Template:Congresspedia') != -1)
                 {
                    prefix = "";
                 }
             }
        }

        document.forms.editform.wpSummary.value =
            prefix + document.forms.editform.wpSummary.value;
    }
}

addOnloadHook(editsummInitialize);