Merge pull request #68 from sgrebnov/WP7-DateTimePicker

DateTimePicker plugin for windows phone
purplecabbage · May 16, 2012 · e1b20fe · e1b20fe
2 parents 017340d + ba2286b
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diff --git a/WindowsPhone/DateTimePicker/DateTimePicker.cs b/WindowsPhone/DateTimePicker/DateTimePicker.cs
@@ -0,0 +1,175 @@
+/*
+ * PhoneGap is available under *either* the terms of the modified BSD license *or* the
+ * MIT License (2008). See http://opensource.org/licenses/alphabetical for full text.
+ *
+ * Copyright (c) 2005-2011, Nitobi Software Inc.
+ * Copyright (c) 2011, Microsoft Corporation
+ */
+
+using System.Runtime.Serialization;
+using WP7GapClassLib.PhoneGap;
+using WP7GapClassLib.PhoneGap.Commands;
+using WP7GapClassLib.PhoneGap.JSON;
+using Microsoft.Phone.Shell;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.Phone.Controls;
+using System.Windows;
+using Microsoft.Phone.Tasks;
+
+namespace PhoneGap.Extension.Commands
+{
+    /// <summary>
+    /// Represents command that allows the user to choose a date (day/month/year) or time (hour/minute/am/pm).
+    /// </summary>
+    public class DateTimePicker : BaseCommand
+    {
+
+        #region DateTimePicker Options
+
+        /// <summary>
+        /// Represents DateTimePicker options
+        /// </summary>
+        [DataContract]
+        public class DateTimePickerOptions
+        {
+            /// <summary>
+            /// Initial value for time or date
+            /// </summary>
+            [DataMember(IsRequired = false, Name = "value")]
+            public DateTime Value { get; set; }   
+
+                        /// <summary>
+            /// Creates options object with default parameters
+            /// </summary>
+            public DateTimePickerOptions()
+            {
+                this.SetDefaultValues(new StreamingContext());
+            }
+
+            /// <summary>
+            /// Initializes default values for class fields.
+            /// Implemented in separate method because default constructor is not invoked during deserialization.
+            /// </summary>
+            /// <param name="context"></param>
+            [OnDeserializing()]
+            public void SetDefaultValues(StreamingContext context)
+            {
+                this.Value = DateTime.Now;
+            }
+
+        }
+        #endregion
+
+        /// <summary>
+        /// Used to open datetime picker
+        /// </summary>
+        private DateTimePickerTask dateTimePickerTask;
+
+        /// <summary>
+        /// DateTimePicker options
+        /// </summary>
+        private DateTimePickerOptions dateTimePickerOptions;
+
+        /// <summary>
+        /// Triggers  special UI to select a date (day/month/year)
+        /// </summary>
+        public void selectDate(string options)
+        {
+
+            try
+            {
+                try
+                {
+                    this.dateTimePickerOptions = String.IsNullOrEmpty(options) ? new DateTimePickerOptions() : 
+                        WP7GapClassLib.PhoneGap.JSON.JsonHelper.Deserialize<DateTimePickerOptions>(options);
+
+                }
+                catch (Exception ex)
+                {
+                    this.DispatchCommandResult(new PluginResult(PluginResult.Status.JSON_EXCEPTION, ex.Message));
+                    return;
+                }
+
+                this.dateTimePickerTask = new DateTimePickerTask();
+                dateTimePickerTask.Value = dateTimePickerOptions.Value;
+
+                dateTimePickerTask.Completed += this.dateTimePickerTask_Completed;
+                dateTimePickerTask.Show(DateTimePickerTask.DateTimePickerType.Date);
+            }
+            catch (Exception e)
+            {
+                DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, e.Message));
+            }
+        }
+
+        /// <summary>
+        /// Triggers  special UI to select a time (hour/minute/am/pm).
+        /// </summary>
+        public void selectTime(string options)
+        {
+
+            try
+            {
+                try
+                {
+                    this.dateTimePickerOptions = String.IsNullOrEmpty(options) ? new DateTimePickerOptions() :
+                        WP7GapClassLib.PhoneGap.JSON.JsonHelper.Deserialize<DateTimePickerOptions>(options);
+
+                }
+                catch (Exception ex)
+                {
+                    this.DispatchCommandResult(new PluginResult(PluginResult.Status.JSON_EXCEPTION, ex.Message));
+                    return;
+                }
+
+                this.dateTimePickerTask = new DateTimePickerTask();
+                dateTimePickerTask.Value = dateTimePickerOptions.Value;
+
+                dateTimePickerTask.Completed += this.dateTimePickerTask_Completed;
+                dateTimePickerTask.Show(DateTimePickerTask.DateTimePickerType.Time);
+            }
+            catch (Exception e)
+            {
+                DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, e.Message));
+            }
+        }
+
+        /// <summary>
+        /// Handles datetime picker result
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e">stores information about current captured image</param>
+        private void dateTimePickerTask_Completed(object sender, DateTimePickerTask.DateTimeResult e)
+        {
+
+            if (e.Error != null)
+            {
+                DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR));
+                return;
+            }            
+
+            switch (e.TaskResult)
+            {
+                case TaskResult.OK:
+                    try
+                    {
+                        DispatchCommandResult(new PluginResult(PluginResult.Status.OK, e.Value.Value.ToString()));
+                    }
+                    catch (Exception ex)
+                    {
+                        DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Datetime picker error. " + ex.Message));
+                    }
+                    break;
+
+                case TaskResult.Cancel:
+                    DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Canceled."));
+                    break;               
+            }
+
+            this.dateTimePickerTask = null;
+        }       
+
+    }
+}