h5ai/src/_h5ai/public/js/lib/view/view.js
2015-11-18 23:16:58 +01:00

292 lines
9.4 KiB
JavaScript

modulejs.define('view/view', ['_', '$', 'core/event', 'core/format', 'core/location', 'core/resource', 'core/settings', 'core/store', 'view/content'], function (_, $, event, format, location, resource, allsettings, store, content) {
var modes = ['details', 'grid', 'icons'];
var sizes = [20, 40, 60, 80, 100, 150, 200, 250, 300, 350, 400];
var settings = _.extend({
binaryPrefix: false,
hideFolders: false,
hideParentFolder: false,
modes: modes,
setParentFolderLabels: false,
sizes: sizes
}, allsettings.view);
var sortedSizes = settings.sizes.sort(function (a, b) { return a - b; });
var checkedModes = _.intersection(settings.modes, modes);
var storekey = 'view';
var tplView =
'<div id="view">' +
'<ul id="items" class="clearfix">' +
'<li class="header">' +
'<a class="icon"/>' +
'<a class="label" href="#"><span class="l10n-name"/></a>' +
'<a class="date" href="#"><span class="l10n-lastModified"/></a>' +
'<a class="size" href="#"><span class="l10n-size"/></a>' +
'</li>' +
'</ul>' +
'<div id="view-hint"/>' +
'</div>';
var tplItem =
'<li class="item">' +
'<a>' +
'<span class="icon square"><img/></span>' +
'<span class="icon landscape"><img/></span>' +
'<span class="label"/>' +
'<span class="date"/>' +
'<span class="size"/>' +
'</a>' +
'</li>';
var $view = $(tplView);
var $items = $view.find('#items');
var $hint = $view.find('#view-hint');
function cropSize(size, min, max) {
return Math.min(max, Math.max(min, size));
}
function createStyles(size) {
var dsize = cropSize(size, 20, 80);
var gsize = cropSize(size, 40, 160);
var isize = cropSize(size, 80, 1000);
var ilsize = Math.round(isize * 4 / 3);
var rules = [
'#view.view-details.view-size-' + size + ' .item .label { line-height: ' + (dsize + 14) + 'px !important; }',
'#view.view-details.view-size-' + size + ' .item .date { line-height: ' + (dsize + 14) + 'px !important; }',
'#view.view-details.view-size-' + size + ' .item .size { line-height: ' + (dsize + 14) + 'px !important; }',
'#view.view-details.view-size-' + size + ' .square { width: ' + dsize + 'px !important; height: ' + dsize + 'px !important; }',
'#view.view-details.view-size-' + size + ' .square img { width: ' + dsize + 'px !important; height: ' + dsize + 'px !important; }',
'#view.view-details.view-size-' + size + ' .label { margin: 0 246px 0 ' + (dsize + 32) + 'px !important; }',
'#view.view-grid.view-size-' + size + ' .item .label { line-height: ' + gsize + 'px !important; }',
'#view.view-grid.view-size-' + size + ' .square { width: ' + gsize + 'px !important; height: ' + gsize + 'px !important; }',
'#view.view-grid.view-size-' + size + ' .square img { width: ' + gsize + 'px !important; height: ' + gsize + 'px !important; }',
'#view.view-icons.view-size-' + size + ' .item { width: ' + ilsize + 'px !important; }',
'#view.view-icons.view-size-' + size + ' .landscape { width: ' + ilsize + 'px !important; height: ' + isize + 'px !important; }',
'#view.view-icons.view-size-' + size + ' .landscape img { width: ' + isize + 'px !important; height: ' + isize + 'px !important; }',
'#view.view-icons.view-size-' + size + ' .landscape .thumb { width: ' + ilsize + 'px !important; }'
];
return rules.join('\n');
}
function addCssStyles() {
var styles = _.map(sortedSizes, function (size) { return createStyles(size); });
styles.push('#view .icon img { max-width: ' + settings.maxIconSize + 'px; max-height: ' + settings.maxIconSize + 'px; }');
$('<style/>').text(styles.join('\n')).appendTo('head');
}
function set(mode, size) {
var stored = store.get(storekey);
mode = mode || stored && stored.mode;
size = size || stored && stored.size;
mode = _.contains(settings.modes, mode) ? mode : settings.modes[0];
size = _.contains(settings.sizes, size) ? size : settings.sizes[0];
store.put(storekey, {mode: mode, size: size});
_.each(checkedModes, function (m) {
if (m === mode) {
$view.addClass('view-' + m);
} else {
$view.removeClass('view-' + m);
}
});
_.each(sortedSizes, function (s) {
if (s === size) {
$view.addClass('view-size-' + s);
} else {
$view.removeClass('view-size-' + s);
}
});
event.pub('view.mode.changed', mode, size);
}
function getModes() {
return checkedModes;
}
function getSizes() {
return sortedSizes;
}
function getMode() {
return store.get(storekey).mode;
}
function setMode(mode) {
set(mode, null);
}
function getSize() {
return store.get(storekey).size;
}
function setSize(size) {
set(null, size);
}
function createHtml(item) {
var $html = $(tplItem);
var $a = $html.find('a');
var $iconImg = $html.find('.icon img');
var $label = $html.find('.label');
var $date = $html.find('.date');
var $size = $html.find('.size');
$html
.addClass(item.isFolder() ? 'folder' : 'file')
.data('item', item);
location.setLink($a, item);
$label.text(item.label).attr('title', item.label);
$date.data('time', item.time).text(format.formatDate(item.time));
$size.data('bytes', item.size).text(format.formatSize(item.size));
item.icon = resource.icon(item.type);
if (item.isFolder() && !item.isManaged) {
$html.addClass('page');
item.icon = resource.icon('folder-page');
}
if (item.isCurrentParentFolder()) {
item.icon = resource.icon('folder-parent');
if (!settings.setParentFolderLabels) {
$label.addClass('l10n-parentDirectory');
}
$html.addClass('folder-parent');
}
$iconImg.attr('src', item.icon).attr('alt', item.type);
item.$view = $html;
return $html;
}
function onMouseenter() {
var item = $(this).closest('.item').data('item');
event.pub('item.mouseenter', item);
}
function onMouseleave() {
var item = $(this).closest('.item').data('item');
event.pub('item.mouseleave', item);
}
function checkHint() {
var hasNoItems = $items.find('.item').not('.folder-parent').length === 0;
if (hasNoItems) {
$hint.show();
} else {
$hint.hide();
}
}
function setItems(items) {
var removed = _.map($items.find('.item'), function (item) {
return $(item).data('item');
});
$items.find('.item').remove();
_.each(items, function (e) {
$items.append(createHtml(e));
});
content.$el.scrollLeft(0).scrollTop(0);
checkHint();
event.pub('view.changed', items, removed);
}
function changeItems(add, remove) {
_.each(add, function (item) {
createHtml(item).hide().appendTo($items).fadeIn(400);
});
_.each(remove, function (item) {
item.$view.fadeOut(400, function () {
item.$view.remove();
});
});
checkHint();
event.pub('view.changed', add, remove);
}
function setHint(l10nKey) {
$hint.removeClass().addClass('l10n-' + l10nKey);
checkHint();
}
function onLocationChanged(item) {
if (!item) {
item = location.getItem();
}
var items = [];
if (item.parent && !settings.hideParentFolder) {
items.push(item.parent);
}
_.each(item.content, function (child) {
if (!(child.isFolder() && settings.hideFolders)) {
items.push(child);
}
});
setHint('empty');
setItems(items);
}
function onLocationRefreshed(item, added, removed) {
var add = [];
_.each(added, function (child) {
if (!(child.isFolder() && settings.hideFolders)) {
add.push(child);
}
});
setHint('empty');
changeItems(add, removed);
}
function init() {
addCssStyles();
set();
$view.appendTo(content.$el);
$hint.hide();
format.setDefaultMetric(settings.binaryPrefix);
$items
.on('mouseenter', '.item a', onMouseenter)
.on('mouseleave', '.item a', onMouseleave);
event.sub('location.changed', onLocationChanged);
event.sub('location.refreshed', onLocationRefreshed);
}
init();
return {
$el: $view,
$items: $items,
setItems: setItems,
changeItems: changeItems,
setLocation: onLocationChanged,
setHint: setHint,
getModes: getModes,
getMode: getMode,
setMode: setMode,
getSizes: getSizes,
getSize: getSize,
setSize: setSize
};
});