cgit.js - infrastructure/cgit.git - Linaro Git Browser

 /* cgit.css: javacript functions for cgit
  *
  * Copyright (C) 2006-2018 cgit Development Team <cgit@lists.zx2c4.com>
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */

 (function () {

 var burger, menu_popup;

 function collect_offsetTop(e1)
 {
 	var t = 0;

 	while (e1) {
 		if (e1.offsetTop)
 			t += e1.offsetTop;
 		e1 = e1.offsetParent;
 	}

 	return t;
 }

 function find_parent_of_type(e, type)
 {
 	while (e.tagName.toLowerCase() != type)
 		e = e.parentNode;

 	return e;
 }

 /*
  * This creates an absolute div as a child of the content table.
  * It's horizontally and vertically aligned and sized according
  * to the #URL information like #n123-456
  *
  * If the highlight div already exists, it's removed and remade.
  */

 function line_range_highlight(do_burger)
 {
 	var h = window.location.hash, l1 = 0, l2 = 0, e, t;

 	e = document.getElementById("cgit-line-range");
 	if (e) {
 		l1 = e.l1;
 		while (l1 <= e.l2) {
 			var e1;
 			e1 = document.getElementById('n' + l1++);
 				e1.classList.remove(
 					'selected-line-link-highlight');
 		}

 		e.remove();
 	}

 	l1 = parseInt(h.substring(2));
 	if (!l1)
 		return;

 	t = h.indexOf("-");
 	l2 = l1;
 	if (t >= 1)
 		l2 = parseInt(h.substring(t + 1));

 	if (l2 < l1)
 		l2 = l1;

 	var lh, etable, etr, de, n, hl, v;

 	e = document.getElementById('n' + l1);
 	if (!e)
 		return;

 	if (do_burger)
 		burger_create(e);

 	de = document.createElement("DIV");

 	de.className = "selected-lines";
 	de.style.bottom = e.style.bottom;
 	de.style.top = collect_offsetTop(e) + 'px';
 	de.id = "cgit-line-range";
 	de.l1 = l1;
 	de.l2 = l2;

 	/* we will tack the highlight div at the parent tr */
 	etr = find_parent_of_type(e, "tr");

 	de.style.width = etr.offsetWidth + 'px';

 	/* the table is offset from the left, the highlight needs to follow it */
 	etable = find_parent_of_type(etr, "table");
 	de.style.left = etable.offsetLeft + 'px';
 	de.style.height = ((l2 - l1 + 1) * e.offsetHeight) + 'px';

 	etr.insertBefore(de, etr.firstChild);

 	setTimeout(function() {
 		de.style.backgroundColor = "rgba(255, 255, 0, 0.2)";
 	}, 1);

 	n = l1;
 	while (n <= l2)
 		document.getElementById('n' + n++).classList.add(
 					'selected-line-link-highlight');

 	hl = (window.innerHeight / (e.offsetHeight + 1));
 	v = (l1 + ((l2 - l1) / 2)) - (hl / 2);
 	if (v > l1)
 		v = l1;
 	if (v < 1)
 		v = 1;

 	t = document.getElementById('n' + Math.round(v));
 	if (!t)
 		t = e;

 	t.scrollIntoView(true);
 }

 function copy_clipboard(value)
 {
 	var inp = document.createElement("textarea");
 	var e = document.getElementById("linenumbers");

 	inp.type = "text";
 	inp.value = value;
 	/* hidden style stops it working for clipboard */
 	inp.setAttribute('readonly', '');
 	inp.style.position = "absolute";
 	inp.style.left = "-1000px";

 	e.appendChild(inp);

 	inp.select();

 	document.execCommand("copy");

 	inp.remove();
 }

 /*
  * An element in the popup menu was clicked, perform the appropriate action
  */
 function mi_click(e) {
 	var u, n;

 	e.stopPropagation();
 	e.preventDefault();

 	switch (e.target.id) {
 	case "mi-c-line":
 		/* implemented in next patch */
 		break;
 	case "mi-c-link":
 		copy_clipboard(window.location.href);
 		break;
 	case "mi-c-blame":
 		u = window.location.href;
 		t = u.indexOf("/tree/");
 		if (t)
 			window.location = u.substring(0, t) + "/blame/" +
 				u.substring(t + 6);
 		break;
 	case "mi-c-tree":
 		u = window.location.href;
 		t = u.indexOf("/blame/");
 		if (t)
 			window.location = u.substring(0, t) + "/tree/" +
 				u.substring(t + 7);
 		break;
 	}

 	if (!menu_popup)
 		return;

 	menu_popup.remove();
 	menu_popup = null;
 }

 /* We got a click on the (***) burger menu */

 function burger_click(e) {
 	var e1 = e, etable, d = new Date, s = "", n, is_blame,
 	    ar = new Array("mi-c-line", "mi-c-link", "mi-c-blame", "mi-c-tree"),
 	    an = new Array("Copy Lines", "Copy Link",
 			   "View Blame", /* 2: shown in /tree/ */
 			   "Remove Blame" /* 3: shown in /blame/ */);

 	e.preventDefault();

 	if (menu_popup) {
 		menu_popup.remove();
 		menu_popup = null;

 		return;
 	}

 	/*
 	 * Create the popup menu
 	 */

 	is_blame = !!document.getElementsByClassName("hashes").length;

 	menu_popup = document.createElement("DIV");
 	menu_popup.className = "popup-menu";
 	menu_popup.style.top = collect_offsetTop(e1) + e.offsetHeight + "px";

 	s = "<ul id='menu-ul'>";
 	for (n = 0; n < an.length; n++)
 		if (n < 2 || is_blame == (n == 3))
 			s += "<li id='" + ar[n] + "' tabindex='" + n + "'>" +
 				an[n] + "</li>";

 	menu_popup.innerHTML = s;

 	burger.insertBefore(menu_popup, null);

         document.getElementById(ar[0]).focus();
 	for (n = 0; n < an.length; n++)
 		if (n < 2 || is_blame == (n == 3))
 			document.getElementById(ar[n]).
 				addEventListener("click", mi_click);

 	setTimeout(function() {
 		menu_popup.style.opacity = "1";
 	}, 1);

 	/* detect loss of focus for popup menu */
 	menu_popup.addEventListener("focusout", function(e) {
 		/* if focus went to a child (menu item), ignore */
 		if (e.relatedTarget &&
 		    e.relatedTarget.parentNode.id == "menu-ul")
 			return;

 		menu_popup.remove();
 		menu_popup = null;
 	});
 }

 function burger_create(e)
 {
 	var e1 = e, etable, d = new Date;

 	if (burger)
 		burger.remove();

 	burger = document.createElement("DIV");
 	burger.className = "selected-lines-popup";
 	burger.style.top = collect_offsetTop(e1) + "px";

 	/* event listener cannot override default browser #URL behaviour */
 	burger.onclick = burger_click;

 	etable = find_parent_of_type(e, "table");
 	etable.insertBefore(burger, etable.firstChild);
 	burger_time = d.getTime();

 	setTimeout(function() {
 		burger.style.opacity = "1";
 	}, 1);
 }

 /*
  * We got a click on a line number #url
  *
  * Create the "burger" menu there.
  *
  * Redraw the line range highlight accordingly.
  */

 function line_range_click(e) {
 	var t, elem, m, n = window.location.href.length -
 			    window.location.hash.length;

 	/* disable passthru to stop scrolling by browser #URL handler */
 	e.stopPropagation();
 	e.preventDefault();

 	if (!e.target.id)
 		return;

 	if (menu_popup) {
 		menu_popup.remove();
 		menu_popup = null;

 		return;
 	}

 	elem = document.getElementById(e.target.id);
 	if (!elem)
 		return;

 	burger_create(elem);

 	if (!window.location.hash ||
 	    window.location.hash.indexOf("-") >= 0 ||
 	    e.target.id.substring(1) == window.location.href.substring(n + 2))
 		t = window.location.href.substring(0, n) +
 		    '#n' + e.target.id.substring(1);
 	else {
 		if (parseInt(window.location.hash.substring(2)) <
 		    parseInt(e.target.id.substring(1)))  /* forwards */
 			t = window.location + '-' + e.target.id.substring(1);
 		else
 			t = window.location.href.substring(0, n) +
 				'#n' + e.target.id.substring(1) + '-' +
 				window.location.href.substring(n + 2);
 	}

 	window.history.replaceState(null, null, t);

 	line_range_highlight(0);
 }

 /* we have to use load, because header images can push the layout vertically */
 window.addEventListener("load", function() {
 	line_range_highlight(1);
 }, false);

 document.addEventListener("DOMContentLoaded", function() {
 	/* event listener cannot override default #URL browser processing,
 	 * requires onclick */
 	var e = document.getElementById("linenumbers");
 	if (e)
 		e.onclick = line_range_click;
 }, false);

 window.addEventListener("hashchange", function() {
 	line_range_highlight(1);
 }, false);

 })();
	/* cgit.css: javacript functions for cgit
	*
	* Copyright (C) 2006-2018 cgit Development Team <cgit@lists.zx2c4.com>
	*
	* Licensed under GNU General Public License v2
	* (see COPYING for full license text)
	*/

	(function () {

	var burger, menu_popup;

	function collect_offsetTop(e1)
	{
	var t = 0;

	while (e1) {
	if (e1.offsetTop)
	t += e1.offsetTop;
	e1 = e1.offsetParent;
	}

	return t;
	}

	function find_parent_of_type(e, type)
	{
	while (e.tagName.toLowerCase() != type)
	e = e.parentNode;

	return e;
	}

	/*
	* This creates an absolute div as a child of the content table.
	* It's horizontally and vertically aligned and sized according
	* to the #URL information like #n123-456
	*
	* If the highlight div already exists, it's removed and remade.
	*/

	function line_range_highlight(do_burger)
	{
	var h = window.location.hash, l1 = 0, l2 = 0, e, t;

	e = document.getElementById("cgit-line-range");
	if (e) {
	l1 = e.l1;
	while (l1 <= e.l2) {
	var e1;
	e1 = document.getElementById('n' + l1++);
	e1.classList.remove(
	'selected-line-link-highlight');
	}

	e.remove();
	}

	l1 = parseInt(h.substring(2));
	if (!l1)
	return;

	t = h.indexOf("-");
	l2 = l1;
	if (t >= 1)
	l2 = parseInt(h.substring(t + 1));

	if (l2 < l1)
	l2 = l1;

	var lh, etable, etr, de, n, hl, v;

	e = document.getElementById('n' + l1);
	if (!e)
	return;

	if (do_burger)
	burger_create(e);

	de = document.createElement("DIV");

	de.className = "selected-lines";
	de.style.bottom = e.style.bottom;
	de.style.top = collect_offsetTop(e) + 'px';
	de.id = "cgit-line-range";
	de.l1 = l1;
	de.l2 = l2;

	/* we will tack the highlight div at the parent tr */
	etr = find_parent_of_type(e, "tr");

	de.style.width = etr.offsetWidth + 'px';

	/* the table is offset from the left, the highlight needs to follow it */
	etable = find_parent_of_type(etr, "table");
	de.style.left = etable.offsetLeft + 'px';
	de.style.height = ((l2 - l1 + 1) * e.offsetHeight) + 'px';

	etr.insertBefore(de, etr.firstChild);

	setTimeout(function() {
	de.style.backgroundColor = "rgba(255, 255, 0, 0.2)";
	}, 1);

	n = l1;
	while (n <= l2)
	document.getElementById('n' + n++).classList.add(
	'selected-line-link-highlight');

	hl = (window.innerHeight / (e.offsetHeight + 1));
	v = (l1 + ((l2 - l1) / 2)) - (hl / 2);
	if (v > l1)
	v = l1;
	if (v < 1)
	v = 1;

	t = document.getElementById('n' + Math.round(v));
	if (!t)
	t = e;

	t.scrollIntoView(true);
	}

	function copy_clipboard(value)
	{
	var inp = document.createElement("textarea");
	var e = document.getElementById("linenumbers");

	inp.type = "text";
	inp.value = value;
	/* hidden style stops it working for clipboard */
	inp.setAttribute('readonly', '');
	inp.style.position = "absolute";
	inp.style.left = "-1000px";

	e.appendChild(inp);

	inp.select();

	document.execCommand("copy");

	inp.remove();
	}

	/*
	* An element in the popup menu was clicked, perform the appropriate action
	*/
	function mi_click(e) {
	var u, n;

	e.stopPropagation();
	e.preventDefault();

	switch (e.target.id) {
	case "mi-c-line":
	/* implemented in next patch */
	break;
	case "mi-c-link":
	copy_clipboard(window.location.href);
	break;
	case "mi-c-blame":
	u = window.location.href;
	t = u.indexOf("/tree/");
	if (t)
	window.location = u.substring(0, t) + "/blame/" +
	u.substring(t + 6);
	break;
	case "mi-c-tree":
	u = window.location.href;
	t = u.indexOf("/blame/");
	if (t)
	window.location = u.substring(0, t) + "/tree/" +
	u.substring(t + 7);
	break;
	}

	if (!menu_popup)
	return;

	menu_popup.remove();
	menu_popup = null;
	}

	/* We got a click on the (**) burger menu /

	function burger_click(e) {
	var e1 = e, etable, d = new Date, s = "", n, is_blame,
	ar = new Array("mi-c-line", "mi-c-link", "mi-c-blame", "mi-c-tree"),
	an = new Array("Copy Lines", "Copy Link",
	"View Blame", /* 2: shown in /tree/ */
	"Remove Blame" /* 3: shown in /blame/ */);

	e.preventDefault();

	if (menu_popup) {
	menu_popup.remove();
	menu_popup = null;

	return;
	}

	/*
	* Create the popup menu
	*/

	is_blame = !!document.getElementsByClassName("hashes").length;

	menu_popup = document.createElement("DIV");
	menu_popup.className = "popup-menu";
	menu_popup.style.top = collect_offsetTop(e1) + e.offsetHeight + "px";

	s = "<ul id='menu-ul'>";
	for (n = 0; n < an.length; n++)
	if (n < 2 \|\| is_blame == (n == 3))
	s += "<li id='" + ar[n] + "' tabindex='" + n + "'>" +
	an[n] + "</li>";

	menu_popup.innerHTML = s;

	burger.insertBefore(menu_popup, null);

	document.getElementById(ar[0]).focus();
	for (n = 0; n < an.length; n++)
	if (n < 2 \|\| is_blame == (n == 3))
	document.getElementById(ar[n]).
	addEventListener("click", mi_click);

	setTimeout(function() {
	menu_popup.style.opacity = "1";
	}, 1);

	/* detect loss of focus for popup menu */
	menu_popup.addEventListener("focusout", function(e) {
	/* if focus went to a child (menu item), ignore */
	if (e.relatedTarget &&
	e.relatedTarget.parentNode.id == "menu-ul")
	return;

	menu_popup.remove();
	menu_popup = null;
	});
	}

	function burger_create(e)
	{
	var e1 = e, etable, d = new Date;

	if (burger)
	burger.remove();

	burger = document.createElement("DIV");
	burger.className = "selected-lines-popup";
	burger.style.top = collect_offsetTop(e1) + "px";

	/* event listener cannot override default browser #URL behaviour */
	burger.onclick = burger_click;

	etable = find_parent_of_type(e, "table");
	etable.insertBefore(burger, etable.firstChild);
	burger_time = d.getTime();

	setTimeout(function() {
	burger.style.opacity = "1";
	}, 1);
	}

	/*
	* We got a click on a line number #url
	*
	* Create the "burger" menu there.
	*
	* Redraw the line range highlight accordingly.
	*/

	function line_range_click(e) {
	var t, elem, m, n = window.location.href.length -
	window.location.hash.length;

	/* disable passthru to stop scrolling by browser #URL handler */
	e.stopPropagation();
	e.preventDefault();

	if (!e.target.id)
	return;

	if (menu_popup) {
	menu_popup.remove();
	menu_popup = null;

	return;
	}

	elem = document.getElementById(e.target.id);
	if (!elem)
	return;

	burger_create(elem);

	if (!window.location.hash \|\|
	window.location.hash.indexOf("-") >= 0 \|\|
	e.target.id.substring(1) == window.location.href.substring(n + 2))
	t = window.location.href.substring(0, n) +
	'#n' + e.target.id.substring(1);
	else {
	if (parseInt(window.location.hash.substring(2)) <
	parseInt(e.target.id.substring(1))) /* forwards */
	t = window.location + '-' + e.target.id.substring(1);
	else
	t = window.location.href.substring(0, n) +
	'#n' + e.target.id.substring(1) + '-' +
	window.location.href.substring(n + 2);
	}

	window.history.replaceState(null, null, t);

	line_range_highlight(0);
	}

	/* we have to use load, because header images can push the layout vertically */
	window.addEventListener("load", function() {
	line_range_highlight(1);
	}, false);

	document.addEventListener("DOMContentLoaded", function() {
	/* event listener cannot override default #URL browser processing,
	* requires onclick */
	var e = document.getElementById("linenumbers");
	if (e)
	e.onclick = line_range_click;
	}, false);

	window.addEventListener("hashchange", function() {
	line_range_highlight(1);
	}, false);

	})();