toolbar.js
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(function () {
'use strict';
var findToolbar = function () {
return document.querySelector('#yii-debug-toolbar');
},
ajax = function (url, settings) {
var xhr = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject('Microsoft.XMLHTTP');
settings = settings || {};
xhr.open(settings.method || 'GET', url, true);
xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
xhr.setRequestHeader('Accept', 'text/html');
xhr.onreadystatechange = function (state) {
if (xhr.readyState === 4) {
if (xhr.status === 200 && settings.success) {
settings.success(xhr);
} else if (xhr.status != 200 && settings.error) {
settings.error(xhr);
}
}
};
xhr.send(settings.data || '');
},
url,
div,
toolbarEl = findToolbar(),
barSelector = '.yii-debug-toolbar__bar',
viewSelector = '.yii-debug-toolbar__view',
blockSelector = '.yii-debug-toolbar__block',
toggleSelector = '.yii-debug-toolbar__toggle',
externalSelector = '.yii-debug-toolbar__external',
CACHE_KEY = 'yii-debug-toolbar',
ACTIVE_STATE = 'active',
activeClass = 'yii-debug-toolbar_active',
iframeActiveClass = 'yii-debug-toolbar_iframe_active',
titleClass = 'yii-debug-toolbar__title',
blockClass = 'yii-debug-toolbar__block',
blockActiveClass = 'yii-debug-toolbar__block_active';
if (toolbarEl) {
url = toolbarEl.getAttribute('data-url');
ajax(url, {
success: function (xhr) {
div = document.createElement('div');
div.innerHTML = xhr.responseText;
toolbarEl.parentNode.replaceChild(div, toolbarEl);
showToolbar(findToolbar());
},
error: function (xhr) {
toolbarEl.innerHTML = xhr.responseText;
}
});
}
function showToolbar(toolbarEl) {
var barEl = toolbarEl.querySelector(barSelector),
viewEl = toolbarEl.querySelector(viewSelector),
toggleEl = toolbarEl.querySelector(toggleSelector),
externalEl = toolbarEl.querySelector(externalSelector),
blockEls = barEl.querySelectorAll(blockSelector),
iframeEl = viewEl.querySelector('iframe'),
iframeHeight = function () {
return (window.innerHeight * 0.7) + 'px';
},
isIframeActive = function () {
return toolbarEl.classList.contains(iframeActiveClass);
},
showIframe = function (href) {
toolbarEl.classList.add(iframeActiveClass);
iframeEl.src = externalEl.href = href;
viewEl.style.height = iframeHeight();
},
hideIframe = function () {
toolbarEl.classList.remove(iframeActiveClass);
removeActiveBlocksCls();
externalEl.href = '#';
viewEl.style.height = '';
},
removeActiveBlocksCls = function () {
[].forEach.call(blockEls, function (el) {
el.classList.remove(blockActiveClass);
});
},
toggleToolbarClass = function (className) {
if (toolbarEl.classList.contains(className)) {
toolbarEl.classList.remove(className);
} else {
toolbarEl.classList.add(className);
}
},
toggleStorageState = function (key, value) {
if (window.localStorage) {
var item = localStorage.getItem(key);
if (item) {
localStorage.removeItem(key);
} else {
localStorage.setItem(key, value);
}
}
},
restoreStorageState = function (key) {
if (window.localStorage) {
return localStorage.getItem(key);
}
},
togglePosition = function () {
if (isIframeActive()) {
hideIframe();
} else {
toggleToolbarClass(activeClass);
toggleStorageState(CACHE_KEY, ACTIVE_STATE);
}
};
toolbarEl.style.display = 'block';
if (restoreStorageState(CACHE_KEY) == ACTIVE_STATE) {
toolbarEl.classList.add(activeClass);
}
window.onresize = function () {
if (toolbarEl.classList.contains(iframeActiveClass)) {
viewEl.style.height = iframeHeight();
}
};
barEl.onclick = function (e) {
var target = e.target,
block = findAncestor(target, blockClass);
if (block && !block.classList.contains(titleClass)) {
while (target !== this) {
if (target.href) {
removeActiveBlocksCls();
block.classList.add(blockActiveClass);
showIframe(target.href);
}
target = target.parentNode;
}
e.preventDefault();
}
};
toggleEl.onclick = togglePosition;
}
function findAncestor(el, cls) {
while ((el = el.parentElement) && !el.classList.contains(cls));
return el;
}
})();