473 lines
20 KiB
JavaScript
473 lines
20 KiB
JavaScript
/**
|
|
* ComboBoxFonts.js
|
|
*
|
|
* Created by Alexander Yuzhin on 2/11/14
|
|
* Copyright (c) 2014 Ascensio System SIA. All rights reserved.
|
|
*
|
|
*/
|
|
|
|
if (Common === undefined)
|
|
var Common = {};
|
|
|
|
var FONT_TYPE_RECENT = 4;
|
|
|
|
define([
|
|
'common/main/lib/component/ComboBox'
|
|
], function () {
|
|
'use strict';
|
|
|
|
Common.UI.ComboBoxFonts = Common.UI.ComboBox.extend((function() {
|
|
var iconWidth = 302,
|
|
iconHeight = FONT_THUMBNAIL_HEIGHT || 26,
|
|
isRetina = window.devicePixelRatio > 1,
|
|
thumbCanvas = document.createElement('canvas'),
|
|
thumbContext = thumbCanvas.getContext('2d'),
|
|
thumbPath = '../../../sdk/Common/Images/fonts_thumbnail.png',
|
|
thumbPath2x = '../../../sdk/Common/Images/fonts_thumbnail@2x.png',
|
|
listItemHeight = 36;
|
|
|
|
if (typeof window['AscDesktopEditor'] === 'object') {
|
|
thumbPath = window['AscDesktopEditor'].getFontsSprite();
|
|
thumbPath2x = window['AscDesktopEditor'].getFontsSprite(true);
|
|
}
|
|
|
|
thumbCanvas.height = isRetina ? iconHeight * 2 : iconHeight;
|
|
thumbCanvas.width = isRetina ? iconWidth * 2 : iconWidth;
|
|
|
|
return {
|
|
template: _.template([
|
|
'<div class="input-group combobox fonts <%= cls %>" id="<%= id %>" style="<%= style %>">',
|
|
'<input type="text" class="form-control">',
|
|
'<div style="display: table-cell;"></div>',
|
|
'<button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown"><span class="caret img-commonctrl"></span></button>',
|
|
'<ul class="dropdown-menu <%= menuCls %>" style="<%= menuStyle %>" role="menu">',
|
|
'<li class="divider">',
|
|
'<% _.each(items, function(item) { %>',
|
|
'<li id="<%= item.id %>">',
|
|
'<a class="font-item" tabindex="-1" type="menuitem" style="vertical-align:middle; margin: 0 0 0 -10px; height:<%=scope.getListItemHeight()%>px;"/>',
|
|
'</li>',
|
|
'<% }); %>',
|
|
'</ul>',
|
|
'</div>'
|
|
].join('')),
|
|
|
|
initialize : function(options) {
|
|
Common.UI.ComboBox.prototype.initialize.call(this, _.extend(options, {
|
|
displayField: 'name'
|
|
}));
|
|
|
|
this.recent = _.isNumber(options.recent) ? options.recent : 3;
|
|
this.bindUpdateVisibleFontsTiles = _.bind(this.updateVisibleFontsTiles, this);
|
|
|
|
Common.NotificationCenter.on('fonts:change', _.bind(this.onApiChangeFont, this));
|
|
Common.NotificationCenter.on('fonts:load', _.bind(this.fillFonts, this));
|
|
},
|
|
|
|
render : function(parentEl) {
|
|
var oldRawValue = null;
|
|
|
|
if (!_.isUndefined(this._input)) {
|
|
oldRawValue = this._input.val();
|
|
}
|
|
|
|
Common.UI.ComboBox.prototype.render.call(this, parentEl);
|
|
|
|
this.setRawValue(oldRawValue);
|
|
|
|
this._input.on('keyup', _.bind(this.onInputKeyUp, this));
|
|
this._input.on('keydown', _.bind(this.onInputKeyDown, this));
|
|
|
|
this.scroller.update({alwaysVisibleY: true, onChange:this.bindUpdateVisibleFontsTiles});
|
|
|
|
return this;
|
|
},
|
|
|
|
onAfterKeydownMenu: function(e) {
|
|
var me = this;
|
|
if (e.keyCode == Common.UI.Keys.RETURN) {
|
|
if ($(e.target).closest('input').length) { // enter in input field
|
|
if (this.lastValue !== this._input.val())
|
|
this._input.trigger('change');
|
|
} else { // enter in dropdown list
|
|
$(e.target).click();
|
|
if (this.rendered) {
|
|
if (Common.Utils.isIE)
|
|
this._input.trigger('change', { onkeydown: true });
|
|
else
|
|
this._input.blur();
|
|
}
|
|
}
|
|
return false;
|
|
} else if (e.keyCode == Common.UI.Keys.ESC && this.isMenuOpen()) {
|
|
this._input.val(this.lastValue);
|
|
setTimeout(function() {
|
|
me.closeMenu();
|
|
me.onAfterHideMenu(e);
|
|
}, 10);
|
|
return false;
|
|
} else if ((e.keyCode == Common.UI.Keys.HOME || e.keyCode == Common.UI.Keys.END || e.keyCode == Common.UI.Keys.BACKSPACE) && this.isMenuOpen()) {
|
|
setTimeout(function() {
|
|
me._input.focus();
|
|
}, 10);
|
|
}
|
|
|
|
this.updateVisibleFontsTiles();
|
|
},
|
|
|
|
onInputKeyUp: function(e) {
|
|
if (e.keyCode != Common.UI.Keys.RETURN && e.keyCode !== Common.UI.Keys.SHIFT &&
|
|
e.keyCode !== Common.UI.Keys.CTRL && e.keyCode !== Common.UI.Keys.ALT &&
|
|
e.keyCode !== Common.UI.Keys.LEFT && e.keyCode !== Common.UI.Keys.RIGHT &&
|
|
e.keyCode !== Common.UI.Keys.HOME && e.keyCode !== Common.UI.Keys.END &&
|
|
e.keyCode !== Common.UI.Keys.ESC &&
|
|
e.keyCode !== Common.UI.Keys.INSERT && e.keyCode !== Common.UI.Keys.TAB){
|
|
e.stopPropagation();
|
|
this.selectCandidate(e.keyCode == Common.UI.Keys.DELETE || e.keyCode == Common.UI.Keys.BACKSPACE);
|
|
if (this._selectedItem) {
|
|
var me = this;
|
|
setTimeout(function() {
|
|
var input = me._input[0],
|
|
text = me._selectedItem.get(me.displayField),
|
|
inputVal = input.value;
|
|
if (me.rendered) {
|
|
if (document.selection) { // IE
|
|
document.selection.createRange().text = text;
|
|
} else if (input.selectionStart || input.selectionStart == '0') { //FF и Webkit
|
|
input.value = text;
|
|
input.selectionStart = inputVal.length;
|
|
input.selectionEnd = text.length;
|
|
}
|
|
}
|
|
}, 10);
|
|
}
|
|
}
|
|
},
|
|
|
|
onInputKeyDown: function(e) {
|
|
var me = this;
|
|
|
|
if (e.keyCode == Common.UI.Keys.ESC){
|
|
this._input.val(this.lastValue);
|
|
setTimeout(function() {
|
|
me.closeMenu();
|
|
me.onAfterHideMenu(e);
|
|
}, 10);
|
|
} else if (e.keyCode != Common.UI.Keys.RETURN && e.keyCode != Common.UI.Keys.CTRL && e.keyCode != Common.UI.Keys.SHIFT && e.keyCode != Common.UI.Keys.ALT){
|
|
if (!this.isMenuOpen())
|
|
this.openMenu();
|
|
|
|
if (e.keyCode == Common.UI.Keys.UP || e.keyCode == Common.UI.Keys.DOWN) {
|
|
_.delay(function() {
|
|
var selected = (e.keyCode == Common.UI.Keys.DOWN) ? me.cmpEl.find('ul li.selected').nextAll('li:not(.divider)') : me.cmpEl.find('ul li.selected').prevAll('li:not(.divider)');
|
|
selected = (selected.length>0) ? selected.eq(0) : ((e.keyCode == Common.UI.Keys.DOWN) ? me.cmpEl.find('ul li:not(.divider):first') : me.cmpEl.find('ul li:not(.divider):last'));
|
|
selected = selected.find('a');
|
|
|
|
me._skipInputChange = true;
|
|
selected.focus();
|
|
me.updateVisibleFontsTiles();
|
|
}, 10);
|
|
} else
|
|
me._skipInputChange = false;
|
|
}
|
|
},
|
|
|
|
onInputChanged: function(e, extra) {
|
|
// skip processing for internally-generated synthetic event
|
|
// to avoid double processing
|
|
if (extra && extra.synthetic)
|
|
return;
|
|
|
|
if (this._skipInputChange) {
|
|
this._skipInputChange = false; return;
|
|
}
|
|
|
|
if (this._isMouseDownMenu) {
|
|
this._isMouseDownMenu = false; return;
|
|
}
|
|
|
|
var val = $(e.target).val(),
|
|
record = {};
|
|
|
|
if (this.lastValue === val) {
|
|
if (extra && extra.onkeydown)
|
|
this.trigger('combo:blur', this, e);
|
|
return;
|
|
}
|
|
|
|
record[this.valueField] = val;
|
|
record[this.displayField] = val;
|
|
|
|
this.trigger('changed:before', this, record, e);
|
|
|
|
if (e.isDefaultPrevented())
|
|
return;
|
|
|
|
if (this._selectedItem) {
|
|
record[this.valueField] = this._selectedItem.get(this.displayField);
|
|
this.setRawValue(record[this.valueField]);
|
|
this.trigger('selected', this, _.extend({}, this._selectedItem.toJSON()), e);
|
|
this.addItemToRecent(this._selectedItem);
|
|
this.closeMenu();
|
|
} else {
|
|
this.setRawValue(record[this.valueField]);
|
|
record['isNewFont'] = true;
|
|
this.trigger('selected', this, record, e);
|
|
this.closeMenu();
|
|
}
|
|
|
|
// trigger changed event
|
|
this.trigger('changed:after', this, record, e);
|
|
},
|
|
|
|
getImageUri: function(opts) {
|
|
if (opts.cloneid) {
|
|
var img = $(this.el).find('ul > li#'+opts.cloneid + ' img');
|
|
return img != null ? img[0].src : undefined;
|
|
}
|
|
|
|
if (isRetina) {
|
|
thumbContext.clearRect(0, 0, iconWidth * 2, iconHeight * 2);
|
|
thumbContext.drawImage(this.spriteThumbs, 0, -FONT_THUMBNAIL_HEIGHT * 2 * opts.imgidx);
|
|
} else {
|
|
thumbContext.clearRect(0, 0, iconWidth, iconHeight);
|
|
thumbContext.drawImage(this.spriteThumbs, 0, -FONT_THUMBNAIL_HEIGHT * opts.imgidx);
|
|
}
|
|
|
|
return thumbCanvas.toDataURL();
|
|
},
|
|
|
|
getImageWidth: function() {
|
|
return iconWidth;
|
|
},
|
|
|
|
getImageHeight: function() {
|
|
return iconHeight;
|
|
},
|
|
|
|
getListItemHeight: function() {
|
|
return listItemHeight;
|
|
},
|
|
|
|
loadSprite: function(callback) {
|
|
if (callback) {
|
|
this.spriteThumbs = new Image();
|
|
this.spriteThumbs.onload = callback;
|
|
this.spriteThumbs.src = (window.devicePixelRatio > 1) ? thumbPath2x : thumbPath;
|
|
}
|
|
},
|
|
|
|
fillFonts: function(store, select) {
|
|
var me = this;
|
|
|
|
this.loadSprite(function() {
|
|
me.store.set(store.toJSON());
|
|
|
|
me.rendered = false;
|
|
me.render($(me.el));
|
|
|
|
me._fontsArray = me.store.toJSON();
|
|
|
|
if (me.recent > 0) {
|
|
me.store.on('add', me.onInsertItem, me);
|
|
me.store.on('remove', me.onRemoveItem, me);
|
|
}
|
|
});
|
|
},
|
|
|
|
onApiChangeFont: function(font) {
|
|
var name = (_.isFunction(font.get_Name) ? font.get_Name() : font.asc_getName());
|
|
|
|
if (this.getRawValue() !== name) {
|
|
var record = this.store.findWhere({
|
|
name: name
|
|
});
|
|
|
|
$('.selected', $(this.el)).removeClass('selected');
|
|
|
|
if (record) {
|
|
this.setRawValue(record.get(this.displayField));
|
|
var itemNode = $('#' + record.get('id'), $(this.el)),
|
|
menuNode = $('ul.dropdown-menu', this.cmpEl);
|
|
|
|
if (itemNode && menuNode) {
|
|
itemNode.addClass('selected');
|
|
if (this.recent<=0)
|
|
menuNode.scrollTop(itemNode.offset().top - menuNode.offset().top);
|
|
}
|
|
} else {
|
|
this.setRawValue(name);
|
|
}
|
|
}
|
|
},
|
|
|
|
itemClicked: function (e) {
|
|
var el = $(e.target).closest('li');
|
|
var record = this.store.findWhere({id: el.attr('id')});
|
|
this.addItemToRecent(record);
|
|
|
|
Common.UI.ComboBox.prototype.itemClicked.apply(this, arguments);
|
|
},
|
|
|
|
onInsertItem: function(item) {
|
|
$(this.el).find('ul').prepend(_.template([
|
|
'<li id="<%= item.id %>">',
|
|
'<a class="font-item" tabindex="-1" type="menuitem" style="vertical-align:middle; margin: 0 0 0 -10px; height:<%=scope.getListItemHeight()%>px;"/>',
|
|
'</li>'
|
|
].join(''), {
|
|
item: item.attributes,
|
|
scope: this
|
|
}));
|
|
},
|
|
|
|
onRemoveItem: function(item, store, opts) {
|
|
$(this.el).find('ul > li#'+item.id).remove();
|
|
},
|
|
|
|
onBeforeShowMenu: function(e) {
|
|
Common.UI.ComboBox.prototype.onBeforeShowMenu.apply(this, arguments);
|
|
|
|
if (!this.getSelectedRecord() && !!this.getRawValue()) {
|
|
var record = this.store.where({name: this.getRawValue()});
|
|
if (record && record.length) {
|
|
this.selectRecord(record[record.length - 1]);
|
|
}
|
|
}
|
|
},
|
|
|
|
onAfterShowMenu: function(e) {
|
|
if (this.recent > 0) {
|
|
if (this.scroller && !this._scrollerIsInited) {
|
|
this.scroller.update();
|
|
this._scrollerIsInited = true;
|
|
}
|
|
$(this.el).find('ul').scrollTop(0);
|
|
this.trigger('show:after', this, e);
|
|
} else {
|
|
Common.UI.ComboBox.prototype.onAfterShowMenu.apply(this, arguments);
|
|
}
|
|
|
|
this.flushVisibleFontsTiles();
|
|
this.updateVisibleFontsTiles(null, 0);
|
|
},
|
|
|
|
onAfterHideMenu: function(e) {
|
|
if (this.lastValue !== this._input.val())
|
|
this._input.val(this.lastValue);
|
|
|
|
Common.UI.ComboBox.prototype.onAfterHideMenu.apply(this, arguments);
|
|
},
|
|
|
|
addItemToRecent: function(record) {
|
|
if (record.get('type') != FONT_TYPE_RECENT &&
|
|
!this.store.findWhere({name: record.get('name'),type:FONT_TYPE_RECENT})) {
|
|
var fonts = this.store.where({type:FONT_TYPE_RECENT});
|
|
if (!(fonts.length < this.recent)) {
|
|
this.store.remove(fonts[this.recent - 1]);
|
|
}
|
|
|
|
var new_record = record.clone();
|
|
new_record.set({'type': FONT_TYPE_RECENT, 'id': Common.UI.getId(), cloneid: record.id});
|
|
this.store.add(new_record, {at:0});
|
|
}
|
|
},
|
|
|
|
selectCandidate: function(full) {
|
|
var me = this,
|
|
inputVal = this._input.val().toLowerCase();
|
|
|
|
if (!this._fontsArray)
|
|
this._fontsArray = this.store.toJSON();
|
|
|
|
var font = _.find(this._fontsArray, function(font) {
|
|
return (full) ? (font[me.displayField].toLowerCase() == inputVal) : (font[me.displayField].toLowerCase().indexOf(inputVal) == 0)
|
|
});
|
|
|
|
if (font) {
|
|
this._selectedItem = this.store.findWhere({
|
|
id: font.id
|
|
});
|
|
} else
|
|
this._selectedItem = null;
|
|
|
|
$('.selected', $(this.el)).removeClass('selected');
|
|
|
|
if (this._selectedItem) {
|
|
var itemNode = $('#' + this._selectedItem.get('id'), $(this.el)),
|
|
menuEl = $('ul[role=menu]', $(this.el));
|
|
|
|
if (itemNode.length > 0 && menuEl.length > 0) {
|
|
itemNode.addClass('selected');
|
|
|
|
var itemTop = itemNode.position().top,
|
|
menuTop = menuEl.scrollTop();
|
|
|
|
if (itemTop != 0)
|
|
menuEl.scrollTop(menuTop + itemTop);
|
|
}
|
|
}
|
|
},
|
|
|
|
updateVisibleFontsTiles: function(e, scrollY) {
|
|
var me = this, j = 0, storeCount = me.store.length, index = 0;
|
|
|
|
if (!me.tiles) me.tiles = [];
|
|
if (storeCount !== me.tiles.length) {
|
|
for (j = me.tiles.length; j < storeCount; ++j) {
|
|
me.tiles.push(null);
|
|
}
|
|
}
|
|
|
|
if (_.isUndefined(scrollY)) scrollY = parseInt($(me.el).find('.ps-scrollbar-x-rail').css('bottom'));
|
|
|
|
var scrollH = $(me.el).find('.dropdown-menu').height(),
|
|
count = Math.max(Math.floor(scrollH / listItemHeight) + 3, 0),
|
|
from = Math.max(Math.floor(-(scrollY / listItemHeight)) - 1, 0),
|
|
to = from + count;
|
|
|
|
var listItems = $(me.el).find('a');
|
|
|
|
for (j = 0; j < storeCount; ++j) {
|
|
if (from <= j && j < to) {
|
|
if (null === me.tiles[j]) {
|
|
var fontImage = document.createElement('canvas');
|
|
var context = fontImage.getContext('2d');
|
|
|
|
fontImage.height = isRetina ? iconHeight * 2 : iconHeight;
|
|
fontImage.width = isRetina ? iconWidth * 2 : iconWidth;
|
|
|
|
fontImage.style.width = iconWidth + 'px';
|
|
fontImage.style.height = iconHeight + 'px';
|
|
|
|
index = me.store.at(j).get('imgidx');
|
|
|
|
if (isRetina) {
|
|
context.clearRect(0, 0, iconWidth * 2, iconHeight * 2);
|
|
context.drawImage(me.spriteThumbs, 0, -FONT_THUMBNAIL_HEIGHT * 2 * index);
|
|
} else {
|
|
context.clearRect(0, 0, iconWidth, iconHeight);
|
|
context.drawImage(me.spriteThumbs, 0, -FONT_THUMBNAIL_HEIGHT * index);
|
|
}
|
|
|
|
me.tiles[j] = fontImage;
|
|
$(listItems[j]).get(0).appendChild(fontImage);
|
|
}
|
|
} else {
|
|
if (me.tiles[j]) {
|
|
me.tiles[j].parentNode.removeChild(me.tiles[j]);
|
|
me.tiles[j] = null;
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
flushVisibleFontsTiles: function() {
|
|
for (var j = this.tiles.length - 1; j >= 0; --j) {
|
|
if (this.tiles[j]) {
|
|
this.tiles[j].parentNode.removeChild(this.tiles[j]);
|
|
this.tiles[j] = null;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
})());
|
|
}); |