mirror of
https://github.com/scrapy/scrapy.git
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103 lines
3.4 KiB
JavaScript
103 lines
3.4 KiB
JavaScript
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(function($){
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window.enableBlame = function(url, original_path) {
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var message = null;
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var message_rev = null;
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/* for each blame cell containing a changeset link... */
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var rev_paths = {};
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$("table.code th.blame a").each(function() {
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href = $(this).attr("href");
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$(this).removeAttr("href");
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rev_href = href.substr(href.indexOf("changeset/") + 10);
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elts = rev_href.split("/");
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var path = elts.slice(1).join("/");
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if (path != original_path)
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rev_paths["r"+elts[0]] = path;
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});
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/* for each blame cell... */
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$("table.code th.blame").each(function() {
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var rev = $(this).attr("class").split(" ")[1]; // "blame r123"
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var path = rev_paths[rev] || original_path; // only found if != orig
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if (!rev)
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return;
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$(this).css("cursor", "pointer").click(function() {
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var row = this.parentNode;
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var message_is_visible = message && message.css("display") == "block";
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var highlight_rev = null;
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function show() {
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/* Display commit message for the selected revision */
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var message_w = message.get(0).offsetWidth;
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// limit message panel width to 3/5 of the row width
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var row_w = row.offsetWidth;
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var max_w = (3.0 * row_w / 5.0);
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if (!message_w || message_w > max_w) {
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message_w = max_w;
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var borderw = (3+8)*2; // borderwidth + padding on both sides
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message.css({width: message_w - borderw + "px"});
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}
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var row_offset = $(row).offset();
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var left = row_offset.left + row.offsetWidth - message_w;
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message.css({display: "block", top: row_offset.top+"px", left: left-2+"px"});
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}
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function hide() {
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/* Hide commit message */
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message.css({display: "none"});
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/* Remove highlighting for lines of the current revision */
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$("table.code th."+message_rev).each(function() {
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$(this.parentNode).removeClass("hilite")
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});
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}
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if (message_rev != rev) { // fetch a new revision
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if (message_is_visible) {
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hide();
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}
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message_rev = rev;
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highlight_rev = message_rev;
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$.get(url + rev.substr(1), {annotate: path}, function(data) {
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// remove former message panel if any
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if (message)
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message.remove();
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// create new message panel
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message = $('<div class="message">').css("position", "absolute")
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.append($('<div class="inlinebuttons">')
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.append($('<input value="Close" type="button">').click(hide)))
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.append($('<div>').html(data || "<strong>(no changeset information)</strong>"))
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.appendTo("body");
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// workaround non-clickable "Close" issue in Firefox
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if ($.browser.mozilla)
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message.find("div.inlinebuttons").next().css("clear", "right");
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show();
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});
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} else if (message_is_visible) {
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hide();
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} else {
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show();
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highlight_rev = message_rev;
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}
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/* Highlight all lines of the current revision */
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$("table.code th."+highlight_rev).each(function() {
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$(this.parentNode).addClass("hilite")
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});
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});
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});
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}
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})(jQuery);
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