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items.js
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items.js
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'use strict';
/*
* ItemsView.
* As output, Observable of vtree (Virtual DOM tree).
* As input, ItemsModel.
*/
var Rx = require('rx');
var h = require('virtual-hyperscript');
var replicate = require('mvi-example/utils/replicate');
var modelItems$ = new Rx.BehaviorSubject(null);
var itemWidthChanged$ = new Rx.Subject();
var itemColorChanged$ = new Rx.Subject();
var removeClicks$ = new Rx.Subject();
var addOneClicks$ = new Rx.Subject();
var addManyClicks$ = new Rx.Subject();
function observe(ItemsModel) {
replicate(ItemsModel.items$, modelItems$);
}
function vrenderTopButtons() {
return h('div.topButtons', {}, [
h('button',
{'ev-click': function (ev) { addOneClicks$.onNext(ev); }},
'Add New Item'
),
h('button',
{'ev-click': function (ev) { addManyClicks$.onNext(ev); }},
'Add Many Items'
)
]);
}
function vrenderItem(itemData) {
return h('div', {
style: {
'border': '1px solid #000',
'background': 'none repeat scroll 0% 0% ' + itemData.color,
'width': itemData.width + 'px',
'height': '70px',
'display': 'block',
'padding': '20px',
'margin': '10px 0px'
}}, [
h('input', {
type: 'text', value: itemData.color,
'attributes': {'data-item-id': itemData.id},
'ev-input': function (ev) { itemColorChanged$.onNext(ev); }
}),
h('div', [
h('input', {
type: 'range', min:'200', max:'1000', value: itemData.width,
'attributes': {'data-item-id': itemData.id},
'ev-input': function (ev) { itemWidthChanged$.onNext(ev); }
})
]),
h('div', String(itemData.width)),
h('button', {
'attributes': {'data-item-id': itemData.id},
'ev-click': function (ev) { removeClicks$.onNext(ev); }
}, 'Remove')
]
);
}
var vtree$ = modelItems$
.map(function (itemsData) {
return h('div.everything', {}, [
vrenderTopButtons(),
itemsData.map(vrenderItem)
]);
});
module.exports = {
observe: observe,
vtree$: vtree$,
removeClicks$: removeClicks$,
addOneClicks$: addOneClicks$,
addManyClicks$: addManyClicks$,
itemColorChanged$: itemColorChanged$,
itemWidthChanged$: itemWidthChanged$
};