121 lines
2.5 KiB
JavaScript
121 lines
2.5 KiB
JavaScript
function Screen(dom) {
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var root = document.getElementById('screen');
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var menus = [];
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return {
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appendText: appendText,
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clear: clear,
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currentMenu: currentMenu,
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frame: frame,
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input: input,
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markAsRead: markAsRead,
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menu: menu,
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select: select,
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show: show,
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text: text
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};
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function appendText(message) {
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getTextZone().children[0].textContent += message;
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}
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function clear(elem) {
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if(elem == 'text') {
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var textElem = findTextZone();
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if(textElem != undefined) {
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root.removeChild(textElem);
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}
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} else if(elem != undefined) {
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if(currentMenu() == elem) {
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menus.pop();
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}
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root.removeChild(elem);
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} else {
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dom.clear(root);
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}
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}
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function currentMenu() {
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return menus[menus.length - 1];
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}
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function frame(n) {
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root.className = "frame" + n;
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}
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function findTextZone() {
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return root.getElementsByClassName('text')[0];
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}
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function getTextZone() {
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var textZone = findTextZone();
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if(textZone == undefined) {
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textZone = dom.make('div', {class: ['text', 'framed']}, [
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dom.make('p')
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]);
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root.appendChild(textZone);
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}
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return textZone
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}
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function input(size) {
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var elem = dom.make('input', {
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type: 'text',
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class: ['framed', 'center'],
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maxlength: size,
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size: size
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});
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show(elem);
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return elem;
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}
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function markAsRead(yes) {
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if(yes == undefined) {
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yes = true;
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}
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getTextZone().classList[yes ? 'add' : 'remove']('read');
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}
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function menu(config) {
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var domEntries = [];
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var selected = config.selected || 0;
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for(var i = 0; i < config.entries.length; i++) {
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var classes = i == selected ? 'selected' : [];
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if(config.entries[i].label != undefined) {
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domEntry = dom.make('li', {
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class: classes,
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textContent: config.entries[i].label
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}, []);
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} else if(config.entries[i].picto != undefined) {
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domEntry = dom.make('li', {
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class: classes,
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}, [dom.make('img', config.entries[i].picto, [])]);
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}
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domEntries.push(domEntry);
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}
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var ul = dom.make(
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'ul',
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{class: ['menu', 'framed', config.direction], id: config.name + 'Menu'},
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domEntries
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);
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root.appendChild(ul);
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menus.push(ul);
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return ul;
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}
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function select(cursor) {
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var ul = currentMenu();
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ul.getElementsByClassName('selected')[0].className = '';
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ul.children[cursor].className = 'selected';
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}
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function show(elem) {
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root.appendChild(elem);
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}
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function text(message) {
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getTextZone().children[0].textContent = message;
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markAsRead(message.length > 0);
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}
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}
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