377 lines
11 KiB
JavaScript
377 lines
11 KiB
JavaScript
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// Coverage.py HTML report browser code.
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/*jslint browser: true, sloppy: true, vars: true, plusplus: true, maxerr: 50, indent: 4 */
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/*global coverage: true, document, window, $ */
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coverage = {};
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// Find all the elements with shortkey_* class, and use them to assign a shotrtcut key.
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coverage.assign_shortkeys = function () {
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$("*[class*='shortkey_']").each(function (i, e) {
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$.each($(e).attr("class").split(" "), function (i, c) {
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if (/^shortkey_/.test(c)) {
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$(document).bind('keydown', c.substr(9), function () {
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$(e).click();
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});
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}
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});
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});
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};
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// Create the events for the help panel.
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coverage.wire_up_help_panel = function () {
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$("#keyboard_icon").click(function () {
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// Show the help panel, and position it so the keyboard icon in the
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// panel is in the same place as the keyboard icon in the header.
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$(".help_panel").show();
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var koff = $("#keyboard_icon").offset();
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var poff = $("#panel_icon").position();
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$(".help_panel").offset({
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top: koff.top-poff.top,
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left: koff.left-poff.left
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});
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});
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$("#panel_icon").click(function () {
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$(".help_panel").hide();
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});
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};
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// Loaded on index.html
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coverage.index_ready = function ($) {
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// Look for a cookie containing previous sort settings:
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var sort_list = [];
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var cookie_name = "COVERAGE_INDEX_SORT";
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var i;
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// This almost makes it worth installing the jQuery cookie plugin:
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if (document.cookie.indexOf(cookie_name) > -1) {
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var cookies = document.cookie.split(";");
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for (i = 0; i < cookies.length; i++) {
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var parts = cookies[i].split("=");
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if ($.trim(parts[0]) === cookie_name && parts[1]) {
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sort_list = eval("[[" + parts[1] + "]]");
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break;
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}
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}
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}
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// Create a new widget which exists only to save and restore
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// the sort order:
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$.tablesorter.addWidget({
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id: "persistentSort",
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// Format is called by the widget before displaying:
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format: function (table) {
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if (table.config.sortList.length === 0 && sort_list.length > 0) {
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// This table hasn't been sorted before - we'll use
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// our stored settings:
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$(table).trigger('sorton', [sort_list]);
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}
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else {
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// This is not the first load - something has
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// already defined sorting so we'll just update
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// our stored value to match:
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sort_list = table.config.sortList;
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}
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}
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});
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// Configure our tablesorter to handle the variable number of
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// columns produced depending on report options:
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var headers = [];
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var col_count = $("table.index > thead > tr > th").length;
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headers[0] = { sorter: 'text' };
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for (i = 1; i < col_count-1; i++) {
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headers[i] = { sorter: 'digit' };
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}
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headers[col_count-1] = { sorter: 'percent' };
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// Enable the table sorter:
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$("table.index").tablesorter({
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widgets: ['persistentSort'],
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headers: headers
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});
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coverage.assign_shortkeys();
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coverage.wire_up_help_panel();
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// Watch for page unload events so we can save the final sort settings:
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$(window).unload(function () {
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document.cookie = cookie_name + "=" + sort_list.toString() + "; path=/";
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});
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};
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// -- pyfile stuff --
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coverage.pyfile_ready = function ($) {
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// If we're directed to a particular line number, highlight the line.
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var frag = location.hash;
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if (frag.length > 2 && frag[1] === 'n') {
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$(frag).addClass('highlight');
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coverage.set_sel(parseInt(frag.substr(2), 10));
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}
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else {
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coverage.set_sel(0);
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}
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$(document)
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.bind('keydown', 'j', coverage.to_next_chunk_nicely)
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.bind('keydown', 'k', coverage.to_prev_chunk_nicely)
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.bind('keydown', '0', coverage.to_top)
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.bind('keydown', '1', coverage.to_first_chunk)
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;
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$(".button_toggle_run").click(function (evt) {coverage.toggle_lines(evt.target, "run");});
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$(".button_toggle_exc").click(function (evt) {coverage.toggle_lines(evt.target, "exc");});
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$(".button_toggle_mis").click(function (evt) {coverage.toggle_lines(evt.target, "mis");});
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$(".button_toggle_par").click(function (evt) {coverage.toggle_lines(evt.target, "par");});
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coverage.assign_shortkeys();
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coverage.wire_up_help_panel();
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};
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coverage.toggle_lines = function (btn, cls) {
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btn = $(btn);
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var hide = "hide_"+cls;
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if (btn.hasClass(hide)) {
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$("#source ."+cls).removeClass(hide);
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btn.removeClass(hide);
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}
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else {
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$("#source ."+cls).addClass(hide);
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btn.addClass(hide);
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}
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};
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// Return the nth line div.
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coverage.line_elt = function (n) {
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return $("#t" + n);
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};
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// Return the nth line number div.
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coverage.num_elt = function (n) {
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return $("#n" + n);
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};
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// Return the container of all the code.
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coverage.code_container = function () {
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return $(".linenos");
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};
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// Set the selection. b and e are line numbers.
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coverage.set_sel = function (b, e) {
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// The first line selected.
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coverage.sel_begin = b;
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// The next line not selected.
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coverage.sel_end = (e === undefined) ? b+1 : e;
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};
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coverage.to_top = function () {
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coverage.set_sel(0, 1);
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coverage.scroll_window(0);
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};
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coverage.to_first_chunk = function () {
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coverage.set_sel(0, 1);
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coverage.to_next_chunk();
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};
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coverage.is_transparent = function (color) {
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// Different browsers return different colors for "none".
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return color === "transparent" || color === "rgba(0, 0, 0, 0)";
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};
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coverage.to_next_chunk = function () {
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var c = coverage;
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// Find the start of the next colored chunk.
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var probe = c.sel_end;
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while (true) {
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var probe_line = c.line_elt(probe);
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if (probe_line.length === 0) {
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return;
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}
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var color = probe_line.css("background-color");
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if (!c.is_transparent(color)) {
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break;
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}
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probe++;
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}
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// There's a next chunk, `probe` points to it.
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var begin = probe;
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// Find the end of this chunk.
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var next_color = color;
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while (next_color === color) {
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probe++;
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probe_line = c.line_elt(probe);
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next_color = probe_line.css("background-color");
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}
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c.set_sel(begin, probe);
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c.show_selection();
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};
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coverage.to_prev_chunk = function () {
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var c = coverage;
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// Find the end of the prev colored chunk.
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var probe = c.sel_begin-1;
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var probe_line = c.line_elt(probe);
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if (probe_line.length === 0) {
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return;
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}
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var color = probe_line.css("background-color");
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while (probe > 0 && c.is_transparent(color)) {
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probe--;
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probe_line = c.line_elt(probe);
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if (probe_line.length === 0) {
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return;
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}
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color = probe_line.css("background-color");
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}
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// There's a prev chunk, `probe` points to its last line.
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var end = probe+1;
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// Find the beginning of this chunk.
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var prev_color = color;
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while (prev_color === color) {
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probe--;
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probe_line = c.line_elt(probe);
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prev_color = probe_line.css("background-color");
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}
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c.set_sel(probe+1, end);
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c.show_selection();
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};
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// Return the line number of the line nearest pixel position pos
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coverage.line_at_pos = function (pos) {
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var l1 = coverage.line_elt(1),
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l2 = coverage.line_elt(2),
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result;
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if (l1.length && l2.length) {
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var l1_top = l1.offset().top,
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line_height = l2.offset().top - l1_top,
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nlines = (pos - l1_top) / line_height;
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if (nlines < 1) {
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result = 1;
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}
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else {
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result = Math.ceil(nlines);
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}
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}
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else {
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result = 1;
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}
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return result;
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};
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// Returns 0, 1, or 2: how many of the two ends of the selection are on
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// the screen right now?
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coverage.selection_ends_on_screen = function () {
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if (coverage.sel_begin === 0) {
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return 0;
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}
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var top = coverage.line_elt(coverage.sel_begin);
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var next = coverage.line_elt(coverage.sel_end-1);
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return (
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(top.isOnScreen() ? 1 : 0) +
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(next.isOnScreen() ? 1 : 0)
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);
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};
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coverage.to_next_chunk_nicely = function () {
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coverage.finish_scrolling();
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if (coverage.selection_ends_on_screen() === 0) {
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// The selection is entirely off the screen: select the top line on
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// the screen.
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var win = $(window);
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coverage.select_line_or_chunk(coverage.line_at_pos(win.scrollTop()));
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}
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coverage.to_next_chunk();
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};
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coverage.to_prev_chunk_nicely = function () {
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coverage.finish_scrolling();
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if (coverage.selection_ends_on_screen() === 0) {
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var win = $(window);
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coverage.select_line_or_chunk(coverage.line_at_pos(win.scrollTop() + win.height()));
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}
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coverage.to_prev_chunk();
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};
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// Select line number lineno, or if it is in a colored chunk, select the
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// entire chunk
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coverage.select_line_or_chunk = function (lineno) {
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var c = coverage;
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var probe_line = c.line_elt(lineno);
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if (probe_line.length === 0) {
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return;
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}
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var the_color = probe_line.css("background-color");
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if (!c.is_transparent(the_color)) {
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// The line is in a highlighted chunk.
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// Search backward for the first line.
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var probe = lineno;
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var color = the_color;
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while (probe > 0 && color === the_color) {
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probe--;
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probe_line = c.line_elt(probe);
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if (probe_line.length === 0) {
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break;
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}
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color = probe_line.css("background-color");
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}
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var begin = probe + 1;
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// Search forward for the last line.
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probe = lineno;
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color = the_color;
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while (color === the_color) {
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probe++;
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probe_line = c.line_elt(probe);
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color = probe_line.css("background-color");
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}
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coverage.set_sel(begin, probe);
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}
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else {
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coverage.set_sel(lineno);
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}
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};
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coverage.show_selection = function () {
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var c = coverage;
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// Highlight the lines in the chunk
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c.code_container().find(".highlight").removeClass("highlight");
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for (var probe = c.sel_begin; probe > 0 && probe < c.sel_end; probe++) {
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c.num_elt(probe).addClass("highlight");
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}
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c.scroll_to_selection();
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};
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coverage.scroll_to_selection = function () {
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// Scroll the page if the chunk isn't fully visible.
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if (coverage.selection_ends_on_screen() < 2) {
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// Need to move the page. The html,body trick makes it scroll in all
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// browsers, got it from http://stackoverflow.com/questions/3042651
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var top = coverage.line_elt(coverage.sel_begin);
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var top_pos = parseInt(top.offset().top, 10);
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coverage.scroll_window(top_pos - 30);
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}
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};
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coverage.scroll_window = function (to_pos) {
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$("html,body").animate({scrollTop: to_pos}, 200);
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};
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coverage.finish_scrolling = function () {
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$("html,body").stop(true, true);
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};
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