/**
 * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
 */

CKEDITOR.plugins.add( 'table', {
	requires: 'dialog',
	// jscs:disable maximumLineLength
	lang: 'af,ar,az,bg,bn,bs,ca,cs,cy,da,de,de-ch,el,en,en-au,en-ca,en-gb,eo,es,es-mx,et,eu,fa,fi,fo,fr,fr-ca,gl,gu,he,hi,hr,hu,id,is,it,ja,ka,km,ko,ku,lt,lv,mk,mn,ms,nb,nl,no,oc,pl,pt,pt-br,ro,ru,si,sk,sl,sq,sr,sr-latn,sv,th,tr,tt,ug,uk,vi,zh,zh-cn', // %REMOVE_LINE_CORE%
	// jscs:enable maximumLineLength
	icons: 'table', // %REMOVE_LINE_CORE%
	hidpi: true, // %REMOVE_LINE_CORE%
	init: function( editor ) {
		if ( editor.blockless )
			return;

		var lang = editor.lang.table;

		editor.addCommand( 'table', new CKEDITOR.dialogCommand( 'table', {
			context: 'table',
			allowedContent: 'table{width,height}[align,border,cellpadding,cellspacing,summary];' +
				'caption tbody thead tfoot;' +
				'th td tr[scope];' +
				( editor.plugins.dialogadvtab ? 'table' + editor.plugins.dialogadvtab.allowedContent() : '' ),
			requiredContent: 'table',
			contentTransformations: [
				[ 'table{width}: sizeToStyle', 'table[width]: sizeToAttribute' ],
				[ 'td: splitBorderShorthand' ],
				[ {
					element: 'table',
					right: function( element ) {
						if ( element.styles ) {
							var parsedStyle;
							if ( element.styles.border ) {
								parsedStyle = CKEDITOR.tools.style.parse.border( element.styles.border );
							} else if ( CKEDITOR.env.ie && CKEDITOR.env.version === 8 ) {
								var styleData = element.styles;
								// Workaround for IE8 browser. It transforms CSS border shorthand property
								// to the longer one, consisting of border-top, border-right, etc. We have to check
								// if all those properties exists and have the same value (#566).
								if ( styleData[ 'border-left' ] && styleData[ 'border-left' ] === styleData[ 'border-right' ] &&
									styleData[ 'border-right' ] === styleData[ 'border-top' ] &&
									styleData[ 'border-top' ] === styleData[ 'border-bottom' ] ) {

									parsedStyle = CKEDITOR.tools.style.parse.border( styleData[ 'border-top' ] );
								}
							}
							if ( parsedStyle && parsedStyle.style && parsedStyle.style === 'solid' &&
								parsedStyle.width && parseFloat( parsedStyle.width ) !== 0 ) {
								element.attributes.border = 1;
							}
							if ( element.styles[ 'border-collapse' ] == 'collapse' ) {
								element.attributes.cellspacing = 0;
							}
						}
					}
				} ]
			]
		} ) );

		function createDef( def ) {
			return CKEDITOR.tools.extend( def || {}, {
				contextSensitive: 1,
				refresh: function( editor, path ) {
					this.setState( path.contains( 'table', 1 ) ? CKEDITOR.TRISTATE_OFF : CKEDITOR.TRISTATE_DISABLED );
				}
			} );
		}

		editor.addCommand( 'tableProperties', new CKEDITOR.dialogCommand( 'tableProperties', createDef() ) );
		editor.addCommand( 'tableDelete', createDef( {
			exec: function( editor ) {
				var path = editor.elementPath(),
					table = path.contains( 'table', 1 );

				if ( !table )
					return;

				// If the table's parent has only one child remove it as well (unless it's a table cell, or the editable element)
				//(https://dev.ckeditor.com/ticket/5416, https://dev.ckeditor.com/ticket/6289, https://dev.ckeditor.com/ticket/12110)
				var parent = table.getParent(),
					editable = editor.editable();

				if ( parent.getChildCount() == 1 && !parent.is( 'td', 'th' ) && !parent.equals( editable ) )
					table = parent;

				var range = editor.createRange();
				range.moveToPosition( table, CKEDITOR.POSITION_BEFORE_START );
				table.remove();
				range.select();
			}
		} ) );

		editor.ui.addButton && editor.ui.addButton( 'Table', {
			label: lang.toolbar,
			command: 'table',
			toolbar: 'insert,30'
		} );

		CKEDITOR.dialog.add( 'table', this.path + 'dialogs/table.js' );
		CKEDITOR.dialog.add( 'tableProperties', this.path + 'dialogs/table.js' );

		// If the "menu" plugin is loaded, register the menu items.
		if ( editor.addMenuItems ) {
			editor.addMenuItems( {
				table: {
					label: lang.menu,
					command: 'tableProperties',
					group: 'table',
					order: 5
				},

				tabledelete: {
					label: lang.deleteTable,
					command: 'tableDelete',
					group: 'table',
					order: 1
				}
			} );
		}

		editor.on( 'doubleclick', function( evt ) {
			var element = evt.data.element;

			if ( element.is( 'table' ) )
				evt.data.dialog = 'tableProperties';
		} );

		// If the "contextmenu" plugin is loaded, register the listeners.
		if ( editor.contextMenu ) {
			editor.contextMenu.addListener( function() {
				// menu item state is resolved on commands.
				return {
					tabledelete: CKEDITOR.TRISTATE_OFF,
					table: CKEDITOR.TRISTATE_OFF
				};
			} );
		}
	}
} );
