h5ai/src/_h5ai/public/js/lib/view/view.js
2016-06-24 19:37:57 +02:00

279 lines
8.2 KiB
JavaScript

const {each, map, includes, intersection} = require('../lo');
const {jq} = require('../globals');
const event = require('../core/event');
const format = require('../core/format');
const location = require('../core/location');
const resource = require('../core/resource');
const store = require('../core/store');
const allsettings = require('../core/settings');
const base = require('./base');
const modes = ['details', 'grid', 'icons'];
const sizes = [20, 40, 60, 80, 100, 150, 200, 250, 300, 350, 400];
const settings = Object.assign({
binaryPrefix: false,
hideFolders: false,
hideParentFolder: false,
maxIconSize: 40,
modes,
setParentFolderLabels: false,
sizes
}, allsettings.view);
const sortedSizes = settings.sizes.sort((a, b) => a - b);
const checkedModes = intersection(settings.modes, modes);
const storekey = 'view';
const 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>`;
const 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>`;
const $view = jq(tplView);
const $items = $view.find('#items');
const $hint = $view.find('#view-hint');
const cropSize = (size, min, max) => Math.min(max, Math.max(min, size));
const createStyles = size => {
const dsize = cropSize(size, 20, 80);
const gsize = cropSize(size, 40, 160);
const isize = cropSize(size, 80, 1000);
const ilsize = Math.round(isize * 4 / 3);
const rules = [
`#view.view-details.view-size-${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-left: ${dsize + 32}px !important;}`,
`#view.view-grid.view-size-${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');
};
const addCssStyles = () => {
const styles = map(sortedSizes, size => createStyles(size));
styles.push(`#view .icon img {max-width: ${settings.maxIconSize}px; max-height: ${settings.maxIconSize}px;}`);
jq('<style/>').text(styles.join('\n')).appendTo('head');
};
const set = (mode, size) => {
const stored = store.get(storekey);
mode = mode || stored && stored.mode;
size = size || stored && stored.size;
mode = includes(settings.modes, mode) ? mode : settings.modes[0];
size = includes(settings.sizes, size) ? size : settings.sizes[0];
store.put(storekey, {mode, size});
each(checkedModes, m => {
if (m === mode) {
$view.addClass('view-' + m);
} else {
$view.removeClass('view-' + m);
}
});
each(sortedSizes, s => {
if (s === size) {
$view.addClass('view-size-' + s);
} else {
$view.removeClass('view-size-' + s);
}
});
event.pub('view.mode.changed', mode, size);
};
const getModes = () => checkedModes;
const getMode = () => store.get(storekey).mode;
const setMode = mode => set(mode, null);
const getSizes = () => sortedSizes;
const getSize = () => store.get(storekey).size;
const setSize = size => set(null, size);
const createHtml = item => {
const $html = jq(tplItem);
const $a = $html.find('a');
const $iconImg = $html.find('.icon img');
const $label = $html.find('.label');
const $date = $html.find('.date');
const $size = $html.find('.size');
$html.addClass(item.isFolder() ? 'folder' : 'file');
$html[0]._item = item;
location.setLink($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;
item.elView = $html[0];
return $html;
};
const onMouseenter = ev => {
const item = jq(ev.currentTarget).closest('.item')[0]._item;
event.pub('item.mouseenter', item);
};
const onMouseleave = ev => {
const item = jq(ev.currentTarget).closest('.item')[0]._item;
event.pub('item.mouseleave', item);
};
const checkHint = () => {
const hasNoItems = $items.find('.item').not('.folder-parent').length === 0;
if (hasNoItems) {
$hint.show();
} else {
$hint.hide();
}
};
const setItems = items => {
const removed = map($items.find('.item'), el => el._item);
$items.find('.item').remove();
each(items, item => $items.append(createHtml(item)));
base.$content.scrollLeft(0).scrollTop(0);
checkHint();
event.pub('view.changed', items, removed);
};
const changeItems = (add, remove) => {
each(add, item => {
createHtml(item).hide().appendTo($items).fadeIn(400);
});
each(remove, item => {
item.$view.fadeOut(400, () => {
item.$view.remove();
});
});
checkHint();
event.pub('view.changed', add, remove);
};
const setHint = l10nKey => {
$hint.removeClass().addClass('l10n-' + l10nKey);
checkHint();
};
const onLocationChanged = item => {
if (!item) {
item = location.getItem();
}
const items = [];
if (item.parent && !settings.hideParentFolder) {
items.push(item.parent);
}
each(item.content, child => {
if (!(child.isFolder() && settings.hideFolders)) {
items.push(child);
}
});
setHint('empty');
setItems(items);
};
const onLocationRefreshed = (item, added, removed) => {
const add = [];
each(added, child => {
if (!(child.isFolder() && settings.hideFolders)) {
add.push(child);
}
});
setHint('empty');
changeItems(add, removed);
};
const init = () => {
addCssStyles();
set();
$view.appendTo(base.$content);
$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();
module.exports = {
$el: $view,
$items,
setItems,
changeItems,
setLocation: onLocationChanged,
setHint,
getModes,
getMode,
setMode,
getSizes,
getSize,
setSize
};