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@@ -0,0 +1,97 @@
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+
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+ * (c) 2005 Daniel Mota aka IceBeat <daniel.mota@gmail.com>
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+ *
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+
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+Form.autoSave = Class.create();
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+Form.autoSave.prototype = {
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+
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+ * Inicializamos la clase y preparamos parametros
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+ */
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+ initialize: function(element, update, options) {
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+ this.element = $(element);
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+ this.update = $(update);
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+ this.options = $H({
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+ url: 'form.autosave.php',
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+ frequency: 30,
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+ method: 'get',
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+ msg: {
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+ loading: 'Filling form',
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+ loaded: 'Form filled',
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+ sending: 'Sending form',
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+ update: 'Form saved at: '
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+ }
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+ }).merge(options);
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+ this.msg = this.options.msg;
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+ this.message(this.msg.loading);
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+ new Ajax.Request(this.options.url, { method: this.options.method, parameters:"autosave=true&autosaveid="+this.element.id, onSuccess: this.autoFill.bind(this) });
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+ },
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+ message: function(msg) {
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+ Element.show(this.update);
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+ this.update.innerHTML = msg;
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+ },
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+ send: function(element,value) {
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+ this.message(this.msg.sending);
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+ new Ajax.Request(this.options.url, { method: this.options.method, parameters:"autosaveid="+element.id+'&'+value, onSuccess: this.updateForm.bind(this) });
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+ },
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+ updateForm: function(resp) {
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+ if(resp.responseText) {
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+ this.message(this.msg.update+resp.responseText);
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+ }
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+ },
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+ autoFill: function(resp) {
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+ if(resp.responseText) {
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+ this.message(this.msg.loaded);
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+ Form.Unserialize(this.element,resp.responseText);
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+ } else {
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+ Element.hide(this.update);
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+ }
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+ new Form.Observer(this.element,this.options.frequency,this.send.bind(this));
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+ }
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+};
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+
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+Form.Unserialize = function(form,queryComponents) {
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+ var elements = Form.getElements($(form));
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+ var queryComponents = queryComponents.toQueryParams();
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+ for (var i = 0; i < elements.length; i++) {
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+ var element = elements[i];
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+ var name = element.name;
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+ if(queryComponents[name]) {
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+ var method = element.tagName.toLowerCase();
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+ var value = decodeURIComponent(queryComponents[name]);
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+ Form.Element.Unserializers[method](element,value);
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+ }
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+ }
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+};
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+
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+Form.Element.Unserializers = {
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+ input: function(element,value) {
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+ switch (element.type.toLowerCase()) {
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+ case 'submit':
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+ case 'hidden':
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+ case 'password':
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+ case 'text':
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+ return Form.Element.Unserializers.textarea(element,value);
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+ case 'checkbox':
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+ case 'radio':
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+ return Form.Element.Unserializers.inputSelector(element,value);
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+ }
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+ return false;
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+ },
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+
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+ inputSelector: function(element,value) {
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+ if (element.value == value)
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+ element.checked = 'checked';
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+ },
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+
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+ textarea: function(element,value) {
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+ element.value = value;
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+ },
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+
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+ select: function(element,value) {
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+ for (var i = 0; i < element.length; i++) {
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+ var opt = element.options[i];
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+ if(opt.value == value || opt.text == value)
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+ opt.selected = 'selected';
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+ }
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+ }
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+}
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pecesama