{"version":"https:\/\/jsonfeed.org\/version\/1","title":"Just Developer Blog, \u0437\u0430\u043c\u0435\u0442\u043a\u0438 \u0441 \u0442\u0435\u0433\u043e\u043c: Qick Look Preview Controller","home_page_url":"http:\/\/bibobo.ru\/tags\/qick-look-preview-controller\/","feed_url":"http:\/\/bibobo.ru\/tags\/qick-look-preview-controller\/json\/","icon":false,"author":{"name":"\u0415\u0432\u0433\u0435\u043d\u0438\u0439 \u0418\u0432\u043e\u043d (Evgeniy Ivon)","url":"http:\/\/bibobo.ru\/","avatar":false},"items":[{"id":"29","url":"http:\/\/bibobo.ru\/all\/ispolzovanie-qlpreviewcontroller-dlya-prosmotra-faylov-ios\/","title":"\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 QLPreviewController \u0434\u043b\u044f\u00a0\u043f\u0440\u043e\u0441\u043c\u043e\u0442\u0440\u0430 \u0444\u0430\u0439\u043b\u043e\u0432 (iOS)","content_html":"<p>\u0414\u043b\u044f\u00a0\u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0441\u043c\u043e\u0442\u0440\u0430 \u0444\u0430\u0439\u043b\u043e\u0432 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0432 (\u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f, word, excel, txt, \u043c\u0435\u0434\u0438\u0430 \u0438\u00a0\u0442.\u00a0\u043f.) \u0432\u00a0iOS \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u043e\u0447\u0435\u043d\u044c \u0443\u0434\u043e\u0431\u043d\u044b\u0439 \u043a\u043b\u0430\u0441\u0441 QLPreviewController. \u0414\u043b\u044f\u00a0\u0435\u0433\u043e \u0443\u0434\u043e\u0431\u043d\u043e\u0433\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0435:<\/p>\n<p><\/br><\/p>\n<ol start=\"1\">\n<li>\u0421\u043e\u0437\u0434\u0430\u0442\u044c \u043a\u043b\u0430\u0441\u0441-\u043d\u0430\u0441\u043b\u0435\u0434\u043d\u0438\u043a QLPreviewController, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0438\u043d\u043a\u0430\u043f\u0441\u0443\u043b\u0438\u0440\u0443\u0435\u0442 \u0432\u0441\u0435 \u0434\u0435\u0442\u0430\u043b\u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438<\/li>\n<li>\u0421\u043e\u0437\u0434\u0430\u0442\u044c \u043a\u043b\u0430\u0441\u0441 QLPreviewControllerDataSource, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0431\u0443\u0434\u0435\u0442 \u044f\u0432\u043b\u044f\u0442\u044c\u0441\u044f \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u043e\u043c \u0434\u0430\u043d\u043d\u044b\u0445 \u0434\u043b\u044f\u00a0\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0430<\/li>\n<li>\u0421\u043e\u0437\u0434\u0430\u0442\u044c \u043a\u043b\u0430\u0441\u0441\u044b-\u043d\u0430\u0441\u043b\u0435\u0434\u043d\u0438\u043a\u0438 QLPreviewItem, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0431\u0443\u0434\u0443\u0442 \u0445\u0440\u0430\u043d\u0438\u0442\u044c \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u043e\u00a0\u043f\u0440\u043e\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u043c\u043e\u043c \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0435<br \/>\n<input id=\"button_ios_qlpreview\" type=\"button\" onclick=\"toggle(cut_ios_qlpreview, button_ios_qlpreview)\" value=\"\u0427\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043b\u044c\u0448\u0435\" hiddenText=\"\u0421\u0432\u0435\u0440\u043d\u0443\u0442\u044c\" visibleText=\"\u0427\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043b\u044c\u0448\u0435\"><\/li>\n<\/ol>\n<div id=\"cut_ios_qlpreview\" style=\"display: none;\" displayOld=\"\"><p><\/p>\n<p><br><\/p>\n<p>\u0411\u0435\u0437\u00a0\u043b\u0438\u0448\u043d\u0438\u0445 \u0441\u043b\u043e\u0432 \u0441\u0440\u0430\u0437\u0443 \u0432\u0437\u0433\u043b\u044f\u043d\u0435\u043c \u043d\u0430\u00a0\u043a\u043e\u0434 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0430<\/p>\n<p><\/br><\/p>\n<pre class=\"e2-text-code\"><code>\/\/\/ &lt;summary&gt;\r\n\/\/\/ \u041a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043e\u0442\u043e\u0431\u0440\u0430\u0437\u0438\u0442\u044c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u044b (\u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f, \u0432\u043e\u0440\u0434, \u044d\u043a\u0437\u0435\u043b\u044c, \u043f\u0434\u0444 \u0438 \u0442.\u043f.) \u0432 \u0432\u0438\u0434\u0435 \u043f\u0440\u0435\u0432\u044c\u044e\r\n\/\/\/ \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u0434\u043b\u044f \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f\r\n\/\/\/ &lt;\/summary&gt;\r\npublic class QuickLookPreviewController : QLPreviewController\r\n{\r\n    \/\/\/ &lt;summary&gt;\r\n    \/\/\/ \u041e\u0442\u043e\u0431\u0440\u0430\u0437\u0438\u0442\u044c \u0441\u043f\u0438\u0441\u043e\u043a NSUrl'\u043e\u0432\r\n    \/\/\/ &lt;\/summary&gt;\r\n    \/\/\/ &lt;returns&gt;&lt;c&gt;true&lt;\/c&gt;, if urls was previewed, &lt;c&gt;false&lt;\/c&gt; otherwise.&lt;\/returns&gt;\r\n    \/\/\/ &lt;param name=&quot;urls&quot;&gt;Urls.&lt;\/param&gt;\r\n    public bool PreviewUrls(params NSUrl[] urls)\r\n    {\r\n        List&lt;QLPreviewItem&gt; items = new List&lt;QLPreviewItem&gt;();\r\n        foreach (NSUrl url in urls)\r\n        {\r\n            QLPreviewItemNsUrl item = new QLPreviewItemNsUrl(url);\r\n            if (QLPreviewController.CanPreviewItem(item))\r\n            {\r\n                items.Add(item);\r\n            }\r\n        }\r\n\r\n        return PreviewItems(items.ToArray());\r\n    }\r\n\r\n    \/\/\/ &lt;summary&gt;\r\n    \/\/\/ \u041e\u0442\u043e\u0431\u0440\u0430\u0437\u0438\u0442\u044c \u0441\u043f\u0438\u0441\u043e\u043a QLPreviewItem\r\n    \/\/\/ &lt;\/summary&gt;\r\n    \/\/\/ &lt;returns&gt;&lt;c&gt;true&lt;\/c&gt;, if items was previewed, &lt;c&gt;false&lt;\/c&gt; otherwise.&lt;\/returns&gt;\r\n    \/\/\/ &lt;param name=&quot;items&quot;&gt;Items.&lt;\/param&gt;\r\n    public bool PreviewItems(params QLPreviewItem[] items)\r\n    {\r\n        if (items.Length &gt; 0)\r\n        {\r\n            DataSource = new PreviewControllerDataSource(items);\r\n            return true;\r\n        }\r\n\r\n        return false;\r\n    }\r\n\r\n    \/\/\/ &lt;summary&gt;\r\n    \/\/\/ QL Preview \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a \u0434\u0430\u043d\u043d\u044b\u0445\r\n    \/\/\/ &lt;\/summary&gt;\r\n    private class PreviewControllerDataSource : QLPreviewControllerDataSource\r\n    {\r\n        private QLPreviewItem[] _items = new QLPreviewItem[0];\r\n\r\n        public PreviewControllerDataSource(params QLPreviewItem[] items)\r\n        {\r\n            _items = items;\r\n        }\r\n\r\n        public override nint PreviewItemCount(QLPreviewController controller)\r\n        {\r\n            return _items.Length;\r\n        }\r\n\r\n        public override IQLPreviewItem GetPreviewItem(QLPreviewController controller, nint index)\r\n        {\r\n            return _items[index];\r\n        }\r\n    }\r\n\r\n    \/\/\/ &lt;summary&gt;\r\n    \/\/\/ QL Preview Item, \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439 NSUrl\r\n    \/\/\/ &lt;\/summary&gt;\r\n    public class QLPreviewItemNsUrl : QLPreviewItem\r\n    {\r\n        private NSUrl _documentUrl;\r\n\r\n        public QLPreviewItemNsUrl(NSUrl documentUrl)\r\n        {\r\n            _documentUrl = documentUrl;\r\n        }\r\n\r\n        public override string ItemTitle\r\n        {\r\n            get\r\n            {\r\n                return _documentUrl.LastPathComponent;\r\n            }\r\n        }\r\n        public override NSUrl ItemUrl\r\n        {\r\n            get\r\n            {\r\n                return _documentUrl;\r\n            }\r\n        }\r\n    }\r\n\r\n    \/\/\/ &lt;summary&gt;\r\n    \/\/\/ QL Preview Item, \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439 \u0438\u043c\u044f \u0438 \u043f\u0443\u0442\u044c \u043a \u0444\u0430\u0439\u043b\u0443 \u0438\u0437 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b\r\n    \/\/\/ &lt;\/summary&gt;\r\n    public class QLPreviewItemFileSystem : QLPreviewItem\r\n    {\r\n        string _fileName, _filePath;\r\n\r\n        public QLPreviewItemFileSystem(string fileName, string filePath)\r\n        {\r\n            _fileName = fileName;\r\n            _filePath = filePath;\r\n        }\r\n\r\n        public override string ItemTitle\r\n        {\r\n            get\r\n            {\r\n                return _fileName;\r\n            }\r\n        }\r\n        public override NSUrl ItemUrl\r\n        {\r\n            get\r\n            {\r\n                return NSUrl.FromFilename(_filePath);\r\n            }\r\n        }\r\n    }\r\n\r\n    \/\/\/ &lt;summary&gt;\r\n    \/\/\/ QL Preview Item, \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439 \u0438\u043c\u044f \u0438\u043f\u0443\u0442\u044c \u043a \u0444\u0430\u0439\u043b\u0443 \u0438\u0437 \u0431\u0430\u043d\u0434\u043b\u0430\r\n    \/\/\/ &lt;\/summary&gt;\r\n    public class QLPreviewItemBundle : QLPreviewItem\r\n    {\r\n        string _fileName, _filePath;\r\n        public QLPreviewItemBundle(string fileName, string filePath)\r\n        {\r\n            _fileName = fileName;\r\n            _filePath = filePath;\r\n        }\r\n\r\n        public override string ItemTitle\r\n        {\r\n            get\r\n            {\r\n                return _fileName;\r\n            }\r\n        }\r\n        public override NSUrl ItemUrl\r\n        {\r\n            get\r\n            {\r\n                var documents = NSBundle.MainBundle.BundlePath;\r\n                var lib = Path.Combine(documents, _filePath);\r\n                var url = NSUrl.FromFilename(lib);\r\n                return url;\r\n            }\r\n        }\r\n    }\r\n}<\/code><\/pre><p><\/br><\/p>\n<p>\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0439 \u043a\u043e\u0434 \u043c\u043e\u0436\u043d\u043e \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c:<\/p>\n<p><\/br><\/p>\n<pre class=\"e2-text-code\"><code>QuickLookPreviewController previewController = new QuickLookPreviewController();\r\nif (previewController.PreviewUrls(new NSUrl[]{ fileUrl }))\r\n{\r\n    this.NavigationController.PushViewController(previewController, true);\r\n}<\/code><\/pre><\/div>","date_published":"2016-01-13T22:10:14+03:00","date_modified":"2016-01-13T22:10:04+03:00","_date_published_rfc2822":"Wed, 13 Jan 2016 22:10:14 +0300","_rss_guid_is_permalink":"true","_rss_guid":"http:\/\/bibobo.ru\/all\/ispolzovanie-qlpreviewcontroller-dlya-prosmotra-faylov-ios\/","_e2_data":{"is_favourite":false,"links_required":["system\/library\/highlight\/highlight.js","system\/library\/highlight\/highlight.css","system\/library\/highlight\/highlight.js","system\/library\/highlight\/highlight.css"],"og_images":[]}}],"_e2_version":3254,"_e2_ua_string":"E2 (v3254; Aegea)"}