openmct/tutorials/todo/todo.js

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define([
"text!./todo.html",
"text!./todo-task.html",
"zepto"
], function (todoTemplate, taskTemplate, $) {
/**
* @param {mct.MCT} mct
*/
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return function todoPlugin(mct) {
var todoType = new mct.Type({
metadata: {
label: "To-Do List",
glyph: "2",
description: "A list of things that need to be done."
},
initialize: function (model) {
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model.tasks = [
{ description: "This is a task." }
];
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},
creatable: true
});
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todoType.view(mct.regions.main, function (domainObject) {
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var view = new mct.View({
state: function () {
return {
filter: "all"
};
},
elements: $.bind(null, todoTemplate),
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initialize: function (elements, state, render) {
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var $els = $(elements);
var $buttons = {
all: $els.find('.example-todo-button-all'),
incomplete: $els.find('.example-todo-button-incomplete'),
complete: $els.find('.example-todo-button-complete')
};
Object.keys($buttons).forEach(function (k) {
$buttons[k].on('click', function () {
state.filter = k;
render();
});
});
},
render: function (elements, domainObject, state) {
var $els = $(elements);
var tasks = domainObject.getModel().tasks;
var $message = $els.find('.example-message');
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var $list = $els.find('.example-todo-task-list');
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var $buttons = {
all: $els.find('.example-todo-button-all'),
incomplete: $els.find('.example-todo-button-incomplete'),
complete: $els.find('.example-todo-button-complete')
};
var filters = {
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all: function () {
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return true;
},
incomplete: function (task) {
return !task.completed;
},
complete: function (task) {
return task.completed;
}
};
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Object.keys($buttons).forEach(function (k) {
$buttons[k].toggleClass('selected', state.filter === k);
});
tasks = tasks.filter(filters[state.filter]);
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$list.empty();
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tasks.forEach(function (task, index) {
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var $taskEls = $(taskTemplate);
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var $checkbox = $taskEls.find('.example-task-checked');
$checkbox.prop('checked', task.completed);
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$taskEls.find('.example-task-description')
.text(task.description);
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$checkbox.on('change', function () {
var checked = !!$checkbox.prop('checked');
mct.verbs.mutate(domainObject, function (model) {
model.tasks[index].completed = checked;
});
});
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$list.append($taskEls);
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});
$message.toggle(tasks.length < 1);
}
});
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view.model(domainObject);
return view;
});
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mct.type('example.todo', todoType);
return mct;
};
});