Difference between revisions of "MediaWiki:Common.js"

Revision as of 22:06, 21 February 2018

/* Any JavaScript here will be loaded for all users on every page load. */


/* TEMPLATE:GRIMOIRE STARTS */

$(function() {
    // Activate only on 5ed pages.
    if ((wgCategories || []).indexOf("DnD 5") === -1)
        return;

    // Convert readable spell name into a Grimoire link.
    var grimTextToURL = function(text) {
        var spell = text.trim().toLowerCase()
            .replace(/[^\w\d\ \-]/g, '')
            .replace(/\ +/g, '-');
        return spell ? ("//thebombzen.com/grimoire/spells/" + spell) : false
    };

    $(".dnd5-grimoire").off("mouseover").on("mouseover", function(e) {

        // Only one popup allowed.
        $(".dnd5-grimoire .dnd5-grimoire-wrapper").hide();

        var link = $(e.target).closest(".dnd5-grimoire"),
            embed = link.find(".dnd5-grimoire-embed"),
            spellURL = grimTextToURL(link.text());

        // Toggle visibility of the info div if it's already been populated.
        if (embed.length) {
            if (embed.not(":visible"))
                embed.parent().show();
            return;
        }

        if (!spellURL.length)
            return;

        var wrapper = $("<div></div>").addClass("dnd5-grimoire-wrapper").appendTo(link),
        embed = $("<div></div>").addClass("dnd5-grimoire-embed dnd5-grimoire-loader").appendTo(wrapper);

        // Show the block first, better with loader.

        // no Promises, damn.
        $.ajax({
            "url": spellURL,
            "type": "get",
            "cache": true
        })
        .then(function(data) {
            var doc = $(data);
            var article = doc.find("article");
            if (!article.length)
                return console.log("Failed to find the DOM chunk with spell description");
            embed.removeClass("dnd5-grimoire-loader").append(article);
        })
        .fail(function() {
            embed.removeClass("loading").html("<p>Failed to look up this spell :(</p>");
        });
    });
    
    $(".dnd5-grimoire").off("mouseout").on("mouseout", function(e) {
        var target = $(e.target).closest(".dnd5-grimoire-wrapper");
        if (!target.length)
            return;
        target.hide();
    });

    // Swap captions for ext-anchors to the Grim URL.
    $(".dnd5-grimoire").each(function() {
        var link = $(this);
        // Insert an external link to the Grimoire page on first hover.
        if (link.find("a").length)
            return;
        link.html(
            $("<a></a>").text(link.text())
            .prop("href", "https:" + grimTextToURL(link.text()))
            .prop("target", "_blank")
        );
    });
});

/* TEMPLATE:GRIMOIRE ENDS */


/* COLUMN-HOVER TABLE ACTUATOR STARTS */

$(function() {

    // Given a jQ pointer to a table cell, get a list of all cells at that pos.
    // Note: ignores rows that have merged cells.
    var getColumnCells = function(cell) {
        var items = [],
            targetPos = cell.index();
        if (parseInt(cell.prop("colspan") || 1, 10) != 1)
            return items;

        cell.closest("table").find("tr").each(function() {
            // Make this work only on rows with no merged cells.
            if (parseInt($(this).find("[colspan]").prop("colspan") || 1, 10) != 1)
                return;
            var row = $(this).find("td:eq(" + targetPos + "), th:eq(" + targetPos + ")"); // either
            row.each(function() {
                items.push($(this));
            });
        });

        return items;
    };

    $("table.columns").on("mouseenter mouseleave", "td, th", function(e) {
        var cell = $(e.target).closest("td, th"),
            vertSiblings = getColumnCells(cell),
            method = e.type == "mouseenter" ? "addClass" : "removeClass";

        vertSiblings.forEach(function(el) { $(el)[method]("hovered"); });
    });
});

/* COLUMN-HOVER TABLE ACTUATOR ENDS */