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Support of GET-forms #480

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Support of GET-forms #480

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87 changes: 87 additions & 0 deletions examples/form/index.html
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,87 @@
<!DOCTYPE html>
<html>
<head>
<title>Basic</title>
<script src="/page.js"></script>
<base href="/form/" >
</head>
<body>
<h1>GET form</h1>
<p></p>
<form class="form" method="get" action="/">
<p>
<label>Text (should):</label>
<input name="text">
</p>
<p>
<label>Textarea (should):</label>
<textarea name="textarea"></textarea>
</p>
<p>
<label>Radio (should selected):</label>
<input type="radio" name="radio" value="1"> 1
<input type="radio" name="radio" value="2"> 2
</p>
<p>
<label>Checkbox (should selected):</label>
<input name="checkbox1" type="checkbox"> checkbox1
<input name="checkbox2" type="checkbox"> checkbox2
</p>
<p>
<label>Hidden (should but it's strange):</label>
<input name="hidden" type="hidden">
</p>
<p>
<label>File (should with path to file):</label>
<input name="file" type="file">
</p>
<p>
<label>Unnamed (shouldn't without name):</label>
<input class="unnamed">
<button type="button">find</button>
</p>
<p>
<label>Disabled (shouldn't because disabled):</label>
<input name="disabled" disabled>
</p>
<p>
<label>Submit Buttons (should with its name/value):</label>
<button name="button" value="find">find</button>
<input name="button" type="submit" value="search">
</p>
<p>
<label>Regular Buttons (shouldn't):</label>
<button type="button" name="button" value="find">find</button>
<input name="button" type="button" value="search">
</p>
<p>
<label>Submit to Action Button (should with different action):</label>
<button formaction="/another" name="button" value="find">find</button>
</p>

</form>

<script>

page.base('/form');

page('/', index);

page('/:action', action);

page.start({
submit: true
});

function index(ctx) {
document.querySelector('p')
.textContent = 'searching index for ' + ctx.querystring;
}

function action(ctx) {
document.querySelector('p')
.textContent = 'another action ' + (ctx.params.action || '');
}
</script>
</body>
</html>
76 changes: 76 additions & 0 deletions index.js
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -183,6 +183,7 @@
* - `click` bind to click events [true]
* - `popstate` bind to popstate [true]
* - `dispatch` perform initial dispatch [true]
* - `submit` bind to submit events (GET-forms only) [true]
*
* @param {Object} options
* @api public
Expand All @@ -199,6 +200,9 @@
if (false !== options.click && hasDocument) {
pageWindow.document.addEventListener(clickEvent, onclick, false);
}
if (false !== options.submit && hasDocument) {
pageWindow.document.addEventListener('submit', onsubmit, false);
}
hashbang = !!options.hashbang;
if(hashbang && hasWindow && !hasHistory) {
pageWindow.addEventListener('hashchange', onpopstate, false);
Expand Down Expand Up @@ -233,6 +237,7 @@
page.len = 0;
running = false;
hasDocument && pageWindow.document.removeEventListener(clickEvent, onclick, false);
hasDocument && pageWindow.document.removeEventListener('submit', onsubmit, false);
hasWindow && pageWindow.removeEventListener('popstate', onpopstate, false);
hasWindow && pageWindow.removeEventListener('hashchange', onpopstate, false);
};
Expand Down Expand Up @@ -683,6 +688,77 @@
page.show(orig);
}

/**
* Handle "submit" events.
*/

function onsubmit(e) {
if (e.defaultPrevented) return;

var form = e.target,
btnSubmit = checkButtonElement(document.activeElement) && document.activeElement;

var action = form.hasAttribute('action') && form.getAttribute('action'),
method = form.hasAttribute('method') && form.getAttribute('method'),
target = form.hasAttribute('target') && form.getAttribute('target');

if (btnSubmit) {
if (btnSubmit.hasAttribute('formaction')) action = btnSubmit.getAttribute('formaction');
if (btnSubmit.hasAttribute('formmethod')) method = btnSubmit.getAttribute('formmethod');
if (btnSubmit.hasAttribute('formtarget')) target = btnSubmit.getAttribute('formtarget');
}

// Ignore if tag has
// 1. method and not method="get"
// 2. target and not target="_self"
if (method && method.toLowerCase() !== 'get') return;
if (target && target.toLowerCase() !== '_self') return;

var a = document.createElement('a');
a.href = action;

var pathname = a.pathname,
hash = a.hash || '',
search = [];

var elements = form.elements,
len = elements.length;

for (var i = 0; i < len; i++) {
if ( ! elements[i].name || elements[i].disabled) continue;
if (['checkbox', 'radio'].indexOf(elements[i].type) >= 0 && !elements[i].checked) {
continue;
}
if (checkButtonElement(elements[i]) && elements[i] !== btnSubmit) {
continue;
}
search.push(elements[i].name + '=' + elements[i].value);
}

var path = (pathname + '?' + search.join('&') + hash);
path = path[0] !== '/' ? '/' + path : path;

// strip leading "/[drive letter]:" on NW.js on Windows
if (hasProcess && path.match(/^\/[a-zA-Z]:\//)) {
path = path.replace(/^\/[a-zA-Z]:\//, '/');
}

var pageBase = getBase();

if (path.indexOf(pageBase) === 0) {
path = path.substr(base.length);
}

if (hashbang) path = path.replace('#!', '');

e.preventDefault();
page.show(path);
}

function checkButtonElement(el) {
return (el.type && ['button', 'submit', 'image'].indexOf(el.type) >= 0) || el.tagName === 'button';
}

/**
* Event button.
*/
Expand Down
76 changes: 76 additions & 0 deletions page.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -583,6 +583,7 @@ pathToRegexp_1.tokensToRegExp = tokensToRegExp_1;
* - `click` bind to click events [true]
* - `popstate` bind to popstate [true]
* - `dispatch` perform initial dispatch [true]
* - `submit` bind to submit events (GET-forms only) [true]
*
* @param {Object} options
* @api public
Expand All @@ -599,6 +600,9 @@ pathToRegexp_1.tokensToRegExp = tokensToRegExp_1;
if (false !== options.click && hasDocument) {
pageWindow.document.addEventListener(clickEvent, onclick, false);
}
if (false !== options.submit && hasDocument) {
pageWindow.document.addEventListener('submit', onsubmit, false);
}
hashbang = !!options.hashbang;
if(hashbang && hasWindow && !hasHistory) {
pageWindow.addEventListener('hashchange', onpopstate, false);
Expand Down Expand Up @@ -633,6 +637,7 @@ pathToRegexp_1.tokensToRegExp = tokensToRegExp_1;
page.len = 0;
running = false;
hasDocument && pageWindow.document.removeEventListener(clickEvent, onclick, false);
hasDocument && pageWindow.document.removeEventListener('submit', onsubmit, false);
hasWindow && pageWindow.removeEventListener('popstate', onpopstate, false);
hasWindow && pageWindow.removeEventListener('hashchange', onpopstate, false);
};
Expand Down Expand Up @@ -1083,6 +1088,77 @@ pathToRegexp_1.tokensToRegExp = tokensToRegExp_1;
page.show(orig);
}

/**
* Handle "submit" events.
*/

function onsubmit(e) {
if (e.defaultPrevented) return;

var form = e.target,
btnSubmit = checkButtonElement(document.activeElement) && document.activeElement;

var action = form.hasAttribute('action') && form.getAttribute('action'),
method = form.hasAttribute('method') && form.getAttribute('method'),
target = form.hasAttribute('target') && form.getAttribute('target');

if (btnSubmit) {
if (btnSubmit.hasAttribute('formaction')) action = btnSubmit.getAttribute('formaction');
if (btnSubmit.hasAttribute('formmethod')) method = btnSubmit.getAttribute('formmethod');
if (btnSubmit.hasAttribute('formtarget')) target = btnSubmit.getAttribute('formtarget');
}

// Ignore if tag has
// 1. method and not method="get"
// 2. target and not target="_self"
if (method && method.toLowerCase() !== 'get') return;
if (target && target.toLowerCase() !== '_self') return;

var a = document.createElement('a');
a.href = action;

var pathname = a.pathname,
hash = a.hash || '',
search = [];

var elements = form.elements,
len = elements.length;

for (var i = 0; i < len; i++) {
if ( ! elements[i].name || elements[i].disabled) continue;
if (['checkbox', 'radio'].indexOf(elements[i].type) >= 0 && !elements[i].checked) {
continue;
}
if (checkButtonElement(elements[i]) && elements[i] !== btnSubmit) {
continue;
}
search.push(elements[i].name + '=' + elements[i].value);
}

var path = (pathname + '?' + search.join('&') + hash);
path = path[0] !== '/' ? '/' + path : path;

// strip leading "/[drive letter]:" on NW.js on Windows
if (hasProcess && path.match(/^\/[a-zA-Z]:\//)) {
path = path.replace(/^\/[a-zA-Z]:\//, '/');
}

var pageBase = getBase();

if (path.indexOf(pageBase) === 0) {
path = path.substr(base.length);
}

if (hashbang) path = path.replace('#!', '');

e.preventDefault();
page.show(path);
}

function checkButtonElement(el) {
return (el.type && ['button', 'submit', 'image'].indexOf(el.type) >= 0) || el.tagName === 'button';
}

/**
* Event button.
*/
Expand Down