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add context unload event listener

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This commit is contained in:
Leo Horie 2014-06-25 22:45:21 -04:00
parent 88bcb8a495
commit 42f21181f8
4 changed files with 360 additions and 11 deletions
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34
mithril.js
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@ -41,9 +41,10 @@ Mithril = m = new function app(window) {
if (cached !== null && cached !== undefined) {
if (parentCache && parentCache.nodes) {
var offset = index - parentIndex
clear(parentCache.nodes.slice(offset, offset + (dataType == "[object Array]" ? data : cached.nodes).length))
var end = offset + (dataType == "[object Array]" ? data : cached.nodes).length
clear(parentCache.nodes.slice(offset, end), parentCache.slice(offset, end))
}
else clear(cached.nodes)
else clear(cached.nodes, cached)
}
cached = new data.constructor
cached.nodes = []
@ -74,7 +75,7 @@ Mithril = m = new function app(window) {
for (var i = 0, change; change = changes[i]; i++) {
if (change.action == DELETION) {
clear(cached[change.index].nodes)
clear(cached[change.index].nodes, cached[change.index])
newCached.splice(change.index, 1)
}
if (change.action == INSERTION) {
@ -108,7 +109,10 @@ Mithril = m = new function app(window) {
if (cached[i] !== undefined) nodes = nodes.concat(cached[i].nodes)
}
for (var i = nodes.length, node; node = cached.nodes[i]; i++) {
if (node.parentNode !== null && node.parentNode.childNodes.length != nodes.length) node.parentNode.removeChild(node)
if (node.parentNode !== null && node.parentNode.childNodes.length != nodes.length) {
node.parentNode.removeChild(node)
if (cached[i]) unload(cached[i])
}
}
for (var i = cached.nodes.length, node; node = nodes[i]; i++) {
if (node.parentNode === null) parentElement.appendChild(node)
@ -119,7 +123,7 @@ Mithril = m = new function app(window) {
}
else if (dataType == "[object Object]") {
if (data.tag != cached.tag || Object.keys(data.attrs).join() != Object.keys(cached.attrs).join() || data.attrs.id != cached.attrs.id) clear(cached.nodes)
if (data.tag != cached.tag || Object.keys(data.attrs).join() != Object.keys(cached.attrs).join() || data.attrs.id != cached.attrs.id) clear(cached.nodes, cached)
if (typeof data.tag != "string") return
var node, isNew = cached.nodes.length === 0
@ -143,7 +147,7 @@ Mithril = m = new function app(window) {
if (shouldReattach === true) parentElement.insertBefore(node, parentElement.childNodes[index] || null)
}
if (type.call(data.attrs["config"]) == "[object Function]") {
configs.push(data.attrs["config"].bind(window, node, !isNew, cached.configContext = cached.configContext || {}))
configs.push(data.attrs["config"].bind(window, node, !isNew, cached.configContext = cached.configContext || {}, cached))
}
}
else {
@ -163,7 +167,7 @@ Mithril = m = new function app(window) {
nodes = cached.nodes
if (!editable || editable !== window.document.activeElement) {
if (data.$trusted) {
clear(nodes)
clear(nodes, cached)
nodes = injectHTML(parentElement, index, data)
}
else {
@ -171,7 +175,7 @@ Mithril = m = new function app(window) {
else if (editable) editable.innerHTML = data
else {
if (nodes[0].nodeType == 1 || nodes.length > 1) { //was a trusted string
clear(cached.nodes)
clear(cached.nodes, cached)
nodes = [window.document.createTextNode(data)]
}
parentElement.insertBefore(nodes[0], parentElement.childNodes[index] || null)
@ -221,10 +225,20 @@ Mithril = m = new function app(window) {
}
return cachedAttrs
}
function clear(nodes) {
for (var i = nodes.length - 1; i > -1; i--) if (nodes[i] && nodes[i].parentNode) nodes[i].parentNode.removeChild(nodes[i])
function clear(nodes, cached) {
for (var i = nodes.length - 1; i > -1; i--) {
if (nodes[i] && nodes[i].parentNode) {
nodes[i].parentNode.removeChild(nodes[i])
cached = [].concat(cached)
if (cached[i]) unload(cached[i])
}
}
nodes.length = 0
}
function unload(cached) {
if (cached.configContext && typeof cached.configContext.onunload == "function") cached.configContext.onunload()
if (cached.children instanceof Array) for (var i = 0; i < cached.children.length; i++) unload(cached.children[i])
}
function injectHTML(parentElement, index, data) {
var nextSibling = parentElement.childNodes[index]
if (nextSibling) {