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behavior-dark-console.js
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behavior-dark-console.js
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/**
* @provides javelin-behavior-dark-console
* @requires javelin-behavior
* javelin-stratcom
* javelin-util
* javelin-dom
* javelin-request
* phabricator-keyboard-shortcut
*/
JX.behavior('dark-console', function(config, statics) {
var root = statics.root || setup_console();
config.key = config.key || root.getAttribute('data-console-key');
add_request(config);
// Do first-time setup.
function setup_console() {
statics.root = JX.$('darkconsole');
statics.req = {all: {}, current: null};
statics.tab = {all: {}, current: null};
statics.el = {};
statics.el.reqs = JX.$N('div', {className: 'dark-console-requests'});
statics.root.appendChild(statics.el.reqs);
statics.el.tabs = JX.$N('div', {className: 'dark-console-tabs'});
statics.root.appendChild(statics.el.tabs);
statics.el.panel = JX.$N('div', {className: 'dark-console-panel'});
statics.root.appendChild(statics.el.panel);
statics.el.load = JX.$N('div', {className: 'dark-console-load'});
statics.root.appendChild(statics.el.load);
statics.cache = {};
statics.visible = config.visible;
statics.selected = config.selected;
install_shortcut();
if (config.headers) {
// If the main page had profiling enabled, also enable it for any Ajax
// requests.
JX.Request.listen('open', function(r) {
for (var k in config.headers) {
r.getTransport().setRequestHeader(k, config.headers[k]);
}
});
}
return statics.root;
}
// Add a new request to the console (initial page load, or new Ajax response).
function add_request(config) {
// Ignore DarkConsole data requests.
if (config.uri.match(new RegExp('^/~/data/'))) {
return;
}
var attr = {
className: 'dark-console-request',
sigil: 'dark-console-request',
title: config.uri,
meta: config,
href: '#'
};
var link = JX.$N('a', attr, config.uri);
statics.el.reqs.appendChild(link);
statics.req.all[config.key] = link;
if (!statics.req.current) {
select_request(config.key);
}
}
// Select a request (on load, or when the user clicks one).
function select_request(key) {
var req = statics.req;
if (req.current) {
JX.DOM.alterClass(req.all[req.current], 'dark-selected', false);
}
statics.req.current = key;
JX.DOM.alterClass(req.all[req.current], 'dark-selected', true);
if (statics.visible) {
draw_request(key);
}
}
// When the user clicks a request, select it.
JX.Stratcom.listen('click', 'dark-console-request', function(e) {
e.kill();
select_request(e.getNodeData('dark-console-request').key);
});
// After the user selects a request, draw its tabs.
function draw_request(key) {
var cache = statics.cache;
if (cache[key]) {
render_request(key);
return;
}
new JX.Request(
'/~/data/' + key + '/',
function(r) {
cache[key] = r;
if (statics.req.current == key) {
render_request(key);
}
})
.send();
show_loading();
}
// Show the loading indicator.
function show_loading() {
JX.DOM.hide(statics.el.tabs);
JX.DOM.hide(statics.el.panel);
JX.DOM.show(statics.el.load);
}
// Hide the loading indicator.
function hide_loading() {
JX.DOM.show(statics.el.tabs);
JX.DOM.show(statics.el.panel);
JX.DOM.hide(statics.el.load);
}
function render_request(key) {
var data = statics.cache[key];
statics.tab.all = {};
var links = [];
var first = null;
for (var ii = 0; ii < data.tabs.length; ii++) {
var tab = data.tabs[ii];
var attr = {
className: 'dark-console-tab',
sigil: 'dark-console-tab',
meta: tab,
href: '#'
};
var bullet = null;
if (tab.color) {
bullet = JX.$N('span', {style: {color: tab.color}}, "\u2022");
}
var link = JX.$N('a', attr, [bullet, ' ', tab.name]);
links.push(link);
statics.tab.all[tab['class']] = link;
first = first || tab['class'];
}
JX.DOM.setContent(statics.el.tabs, links);
if (statics.tab.current in statics.tab.all) {
select_tab(statics.tab.current);
} else if (statics.selected in statics.tab.all) {
select_tab(statics.selected);
} else {
select_tab(first);
}
hide_loading();
}
function select_tab(tclass) {
var tabs = statics.tab;
if (tabs.current) {
JX.DOM.alterClass(tabs.current, 'dark-selected', false);
}
tabs.current = tabs.all[tclass];
JX.DOM.alterClass(tabs.current, 'dark-selected', true);
if (tclass != statics.selected) {
// Save user preference.
new JX.Request('/~/', JX.bag)
.setData({ tab : tclass })
.send();
}
draw_panel();
}
// When the user clicks a tab, select it.
JX.Stratcom.listen('click', 'dark-console-tab', function(e) {
e.kill();
select_tab(e.getNodeData('dark-console-tab')['class']);
});
function draw_panel() {
var data = statics.cache[statics.req.current];
var tclass = JX.Stratcom.getData(statics.tab.current)['class'];
var html = data.panel[tclass];
var div = JX.$N('div', {className: 'dark-console-panel-core'}, JX.$H(html));
JX.DOM.setContent(statics.el.panel, div);
}
function install_shortcut() {
var desc = 'Toggle visibility of DarkConsole.';
new JX.KeyboardShortcut('`', desc)
.setHandler(function(manager) {
statics.visible = !statics.visible;
if (statics.visible) {
JX.DOM.show(root);
if (statics.req.current) {
draw_request(statics.req.current);
}
} else {
JX.DOM.hide(root);
}
// Save user preference.
new JX.Request('/~/', JX.bag)
.setData({visible: statics.visible ? 1 : 0})
.send();
// Force resize listeners to take effect.
JX.Stratcom.invoke('resize');
})
.register();
}
});

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