fix bug

.idea/workspace.xml

@@ -2,14 +2,15 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="4ca5d027-8e00-4d4c-ab69-69171c049d48" name="Default" comment="">
-      <change beforePath="" afterPath="$PROJECT_DIR$/lib/dateModel.dart" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
-      <change beforePath="$PROJECT_DIR$/CHANGELOG.md" afterPath="$PROJECT_DIR$/CHANGELOG.md" />
       <change beforePath="$PROJECT_DIR$/README.md" afterPath="$PROJECT_DIR$/README.md" />
       <change beforePath="$PROJECT_DIR$/example/lib/main.dart" afterPath="$PROJECT_DIR$/example/lib/main.dart" />
-      <change beforePath="$PROJECT_DIR$/flutter_datetime_picker.iml" afterPath="$PROJECT_DIR$/flutter_datetime_picker.iml" />
+      <change beforePath="$PROJECT_DIR$/example/pubspec.lock" afterPath="$PROJECT_DIR$/example/pubspec.lock" />
+      <change beforePath="$PROJECT_DIR$/example/test/widget_test.dart" afterPath="$PROJECT_DIR$/example/test/widget_test.dart" />
+      <change beforePath="$PROJECT_DIR$/lib/dateModel.dart" afterPath="$PROJECT_DIR$/lib/dateModel.dart" />
       <change beforePath="$PROJECT_DIR$/lib/flutter_datetime_picker.dart" afterPath="$PROJECT_DIR$/lib/flutter_datetime_picker.dart" />
       <change beforePath="$PROJECT_DIR$/pubspec.yaml" afterPath="$PROJECT_DIR$/pubspec.yaml" />
+      <change beforePath="$PROJECT_DIR$/test/flutter_datetime_picker_test.dart" afterPath="$PROJECT_DIR$/test/flutter_datetime_picker_test.dart" />
     </list>
     <ignored path="$PROJECT_DIR$/.dart_tool/" />
     <ignored path="$PROJECT_DIR$/.idea/" />
@@ -27,23 +28,32 @@
       <file leaf-file-name="main.dart" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/example/lib/main.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="297">
-              <caret line="64" column="2" lean-forward="false" selection-start-line="64" selection-start-column="2" selection-end-line="68" selection-end-column="3" />
+            <state relative-caret-position="804">
+              <caret line="44" column="81" lean-forward="false" selection-start-line="44" selection-start-column="81" selection-end-line="44" selection-end-column="81" />
               <folding>
                 <element signature="e#0#39#0" expanded="true" />
-                <marker date="1535682720890" expanded="true" signature="1897:2488" ph="{...}" />
               </folding>
             </state>
           </provider>
         </entry>
       </file>
+      <file leaf-file-name="date_time.dart" pinned="false" current-in-tab="false">
+        <entry file="file://$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib/core/date_time.dart">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="2978">
+              <caret line="220" column="11" lean-forward="false" selection-start-line="220" selection-start-column="11" selection-end-line="220" selection-end-column="11" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
       <file leaf-file-name="flutter_datetime_picker.dart" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/lib/flutter_datetime_picker.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="695">
-              <caret line="87" column="32" lean-forward="false" selection-start-line="87" selection-start-column="32" selection-end-line="87" selection-end-column="32" />
+            <state relative-caret-position="221">
+              <caret line="111" column="11" lean-forward="true" selection-start-line="111" selection-start-column="11" selection-end-line="111" selection-end-column="11" />
               <folding>
-                <element signature="e#34#74#0" expanded="true" />
+                <element signature="e#34#58#0" expanded="true" />
               </folding>
             </state>
           </provider>
@@ -62,8 +72,8 @@
       <file leaf-file-name="pubspec.yaml" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/pubspec.yaml">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="-303">
-              <caret line="1" column="43" lean-forward="false" selection-start-line="1" selection-start-column="43" selection-end-line="1" selection-end-column="43" />
+            <state relative-caret-position="57">
+              <caret line="3" column="32" lean-forward="false" selection-start-line="3" selection-start-column="32" selection-end-line="3" selection-end-column="32" />
               <folding />
             </state>
           </provider>
@@ -84,12 +94,12 @@
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="README.md" pinned="false" current-in-tab="true">
+      <file leaf-file-name="README.md" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/README.md">
           <provider selected="true" editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
             <state split_layout="SPLIT">
-              <first_editor relative-caret-position="38">
-                <caret line="2" column="26" lean-forward="false" selection-start-line="2" selection-start-column="26" selection-end-line="2" selection-end-column="26" />
+              <first_editor relative-caret-position="171">
+                <caret line="9" column="0" lean-forward="true" selection-start-line="9" selection-start-column="0" selection-end-line="9" selection-end-column="0" />
                 <folding />
               </first_editor>
               <second_editor>
@@ -99,41 +109,31 @@
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="flutter_datetime_picker.iml" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/flutter_datetime_picker.iml">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="0">
-              <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="dateModel.dart" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/lib/dateModel.dart">
+      <file leaf-file-name="widget_test.dart" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/example/test/widget_test.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="-205">
-              <caret line="94" column="2" lean-forward="false" selection-start-line="94" selection-start-column="2" selection-end-line="94" selection-end-column="2" />
+            <state relative-caret-position="228">
+              <caret line="12" column="72" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="14" selection-end-column="0" />
               <folding />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="pattern.dart" pinned="false" current-in-tab="false">
-        <entry file="file://$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib/core/pattern.dart">
+      <file leaf-file-name="flutter_datetime_picker_test.dart" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/test/flutter_datetime_picker_test.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="450">
-              <caret line="42" column="4" lean-forward="false" selection-start-line="42" selection-start-column="4" selection-end-line="42" selection-end-column="4" />
+            <state relative-caret-position="114">
+              <caret line="6" column="0" lean-forward="true" selection-start-line="0" selection-start-column="0" selection-end-line="6" selection-end-column="0" />
               <folding />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="picker.dart" pinned="false" current-in-tab="false">
-        <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/cupertino/picker.dart">
+      <file leaf-file-name="dateModel.dart" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/lib/dateModel.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="1520">
-              <caret line="85" column="18" lean-forward="false" selection-start-line="85" selection-start-column="18" selection-end-line="85" selection-end-column="18" />
+            <state relative-caret-position="1430">
+              <caret line="162" column="0" lean-forward="true" selection-start-line="162" selection-start-column="0" selection-end-line="162" selection-end-column="0" />
               <folding />
             </state>
           </provider>
@@ -154,6 +154,7 @@
       <find>leapYearMonths</find>
       <find>_setYear</find>
       <find>initialYear</find>
+      <find>pickerModel</find>
     </findStrings>
   </component>
   <component name="Git.Settings">
@@ -168,13 +169,14 @@
     <option name="CHANGED_PATHS">
       <list>
         <option value="$PROJECT_DIR$/example/pubspec.yaml" />
+        <option value="$PROJECT_DIR$/CHANGELOG.md" />
+        <option value="$PROJECT_DIR$/README.md" />
         <option value="$PROJECT_DIR$/test/flutter_datetime_picker_test.dart" />
+        <option value="$PROJECT_DIR$/example/test/widget_test.dart" />
+        <option value="$PROJECT_DIR$/pubspec.yaml" />
+        <option value="$PROJECT_DIR$/lib/flutter_datetime_picker.dart" />
         <option value="$PROJECT_DIR$/example/lib/main.dart" />
         <option value="$PROJECT_DIR$/lib/dateModel.dart" />
-        <option value="$PROJECT_DIR$/lib/flutter_datetime_picker.dart" />
-        <option value="$PROJECT_DIR$/pubspec.yaml" />
-        <option value="$PROJECT_DIR$/CHANGELOG.md" />
-        <option value="$PROJECT_DIR$/README.md" />
       </list>
     </option>
   </component>
@@ -220,6 +222,12 @@
               <item name="example" type="462c0819:PsiDirectoryNode" />
               <item name="lib" type="462c0819:PsiDirectoryNode" />
             </path>
+            <path>
+              <item name="flutter_datetime_picker" type="b2602c69:ProjectViewProjectNode" />
+              <item name="flutter_datetime_picker" type="462c0819:PsiDirectoryNode" />
+              <item name="example" type="462c0819:PsiDirectoryNode" />
+              <item name="test" type="462c0819:PsiDirectoryNode" />
+            </path>
             <path>
               <item name="flutter_datetime_picker" type="b2602c69:ProjectViewProjectNode" />
               <item name="flutter_datetime_picker" type="462c0819:PsiDirectoryNode" />
@@ -368,6 +376,14 @@
       <option name="presentableId" value="Default" />
       <updated>1535618558751</updated>
     </task>
+    <task id="LOCAL-00001" summary="add date picker model factory method">
+      <created>1535683976212</created>
+      <option name="number" value="00001" />
+      <option name="presentableId" value="LOCAL-00001" />
+      <option name="project" value="LOCAL" />
+      <updated>1535683976212</updated>
+    </task>
+    <option name="localTasksCounter" value="2" />
     <servers />
   </component>
   <component name="ToolWindowManager">
@@ -375,14 +391,15 @@
     <editor active="true" />
     <layout>
       <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
+      <window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.12605688" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Palette&#9;" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Image Layers" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Capture Analysis" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="true" content_ui="tabs" />
       <window_info id="Dart Analysis" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32974634" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
-      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.31821677" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
+      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.31821677" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
-      <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
+      <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.132206" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Flutter Outline" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.18221691" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Capture Tool" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Designer" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
@@ -397,7 +414,6 @@
       <window_info id="Commander" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
       <window_info id="Hierarchy" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="2" side_tool="false" content_ui="combo" />
       <window_info id="Ant Build" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
-      <window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32974634" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Inspection" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
       <window_info id="Find" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
     </layout>
@@ -405,6 +421,10 @@
   <component name="VcsContentAnnotationSettings">
     <option name="myLimit" value="2678400000" />
   </component>
+  <component name="VcsManagerConfiguration">
+    <MESSAGE value="add date picker model factory method" />
+    <option name="LAST_COMMIT_MESSAGE" value="add date picker model factory method" />
+  </component>
   <component name="XDebuggerManager">
     <breakpoint-manager>
       <option name="time" value="8" />
@@ -418,7 +438,6 @@
           <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
           <folding>
             <element signature="e#0#39#0" expanded="true" />
-            <marker date="1535682720890" expanded="true" signature="1897:2488" ph="{...}" />
           </folding>
         </state>
       </provider>
@@ -436,7 +455,7 @@
         <state relative-caret-position="4959">
           <caret line="262" column="0" lean-forward="false" selection-start-line="262" selection-start-column="0" selection-end-line="276" selection-end-column="3" />
           <folding>
-            <element signature="e#34#74#0" expanded="true" />
+            <element signature="e#34#58#0" expanded="true" />
           </folding>
         </state>
       </provider>
@@ -497,22 +516,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/test/flutter_datetime_picker_test.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="95">
-          <caret line="5" column="0" lean-forward="false" selection-start-line="5" selection-start-column="0" selection-end-line="5" selection-end-column="0" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib/core/date_time.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="4142">
-          <caret line="220" column="11" lean-forward="false" selection-start-line="220" selection-start-column="11" selection-end-line="220" selection-end-column="11" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/list_wheel_scroll_view.dart">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="3629">
@@ -553,35 +556,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/example/lib/main.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="297">
-          <caret line="64" column="2" lean-forward="false" selection-start-line="64" selection-start-column="2" selection-end-line="68" selection-end-column="3" />
-          <folding>
-            <element signature="e#0#39#0" expanded="true" />
-            <marker date="1535682720890" expanded="true" signature="1897:2488" ph="{...}" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/lib/dateModel.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-205">
-          <caret line="94" column="2" lean-forward="false" selection-start-line="94" selection-start-column="2" selection-end-line="94" selection-end-column="2" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/lib/flutter_datetime_picker.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="695">
-          <caret line="87" column="32" lean-forward="false" selection-start-line="87" selection-start-column="32" selection-end-line="87" selection-end-column="32" />
-          <folding>
-            <element signature="e#34#74#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/LICENSE">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="0">
@@ -590,14 +564,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/pubspec.yaml">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-303">
-          <caret line="1" column="43" lean-forward="false" selection-start-line="1" selection-start-column="43" selection-end-line="1" selection-end-column="43" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/CHANGELOG.md">
       <provider selected="true" editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
         <state split_layout="SPLIT">
@@ -614,8 +580,8 @@
     <entry file="file://$PROJECT_DIR$/README.md">
       <provider selected="true" editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
         <state split_layout="SPLIT">
-          <first_editor relative-caret-position="38">
-            <caret line="2" column="26" lean-forward="false" selection-start-line="2" selection-start-column="26" selection-end-line="2" selection-end-column="26" />
+          <first_editor relative-caret-position="171">
+            <caret line="9" column="0" lean-forward="true" selection-start-line="9" selection-start-column="0" selection-end-line="9" selection-end-column="0" />
             <folding />
           </first_editor>
           <second_editor>
@@ -624,5 +590,65 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/pubspec.yaml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="57">
+          <caret line="3" column="32" lean-forward="false" selection-start-line="3" selection-start-column="32" selection-end-line="3" selection-end-column="32" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib/core/date_time.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="2978">
+          <caret line="220" column="11" lean-forward="false" selection-start-line="220" selection-start-column="11" selection-end-line="220" selection-end-column="11" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/example/lib/main.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="804">
+          <caret line="44" column="81" lean-forward="false" selection-start-line="44" selection-start-column="81" selection-end-line="44" selection-end-column="81" />
+          <folding>
+            <element signature="e#0#39#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/test/flutter_datetime_picker_test.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="114">
+          <caret line="6" column="0" lean-forward="true" selection-start-line="0" selection-start-column="0" selection-end-line="6" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/example/test/widget_test.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="228">
+          <caret line="12" column="72" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="14" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/flutter_datetime_picker.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="221">
+          <caret line="111" column="11" lean-forward="true" selection-start-line="111" selection-start-column="11" selection-end-line="111" selection-end-column="11" />
+          <folding>
+            <element signature="e#34#58#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/dateModel.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1430">
+          <caret line="162" column="0" lean-forward="true" selection-start-line="162" selection-start-column="0" selection-end-line="162" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
   </component>
 </project>

README.md

@@ -1,6 +1,6 @@
 # flutter_datetime_picker
 
-A flutter date time picker
+A flutter date time picker inspired by [flutter-cupertino-date-picker](https://github.com/wuzhendev/flutter-cupertino-date-picker)
 
 ## Getting Started
 

example/lib/main.dart

@@ -35,17 +35,14 @@ class HomePage extends StatelessWidget {
       body: Center(
         child: FlatButton(
             onPressed: () {
-              DatePicker.showDatePicker(
-                context,
-                showTitleActions: true,
-                locale: 'zh',
-                onChanged: (date) {
-                  print('change $date');
-                },
-                onConfirm: (date) {
-                  print('confirm $date');
-                },
-              );
+              DatePicker.showDatePicker(context, showTitleActions: true, locale: 'zh',
+                  onChanged: (date) {
+                print('change $date');
+              }, onConfirm: (date) {
+                print('confirm $date');
+              },
+                  pickerModel: DatePickerModel(
+                      minYear: 2000, maxYear: 2019, currentTime: DateTime(2017, 93)));
             },
             child: Text(
               'show date time picker',
@@ -55,43 +52,3 @@ class HomePage extends StatelessWidget {
     );
   }
 }
-
-class hello extends StatefulWidget {
-  @override
-  _helloState createState() => _helloState();
-}
-
-class _helloState extends State<hello> {
-  @override
-  void initState() {
-    // TODO: implement initState
-    super.initState();
-  }
-
-  @override
-  void dispose() {
-    // TODO: implement dispose
-    super.dispose();
-  }
-
-  @override
-  void didUpdateWidget(hello oldWidget) {
-    // TODO: implement didUpdateWidget
-    super.didUpdateWidget(oldWidget);
-  }
-
-  @override
-  void didChangeDependencies() {
-    // TODO: implement didChangeDependencies
-    super.didChangeDependencies();
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: AppBar(
-        title: Text(''),
-      ),
-    );
-  }
-}

example/pubspec.lock

@@ -82,7 +82,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.0.1"
+    version: "0.1.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter

example/test/widget_test.dart

@@ -1,29 +1,14 @@
-// This is a basic Flutter widget test.
-// To perform an interaction with a widget in your test, use the WidgetTester utility that Flutter
-// provides. For example, you can send tap and scroll gestures. You can also use WidgetTester to
-// find child widgets in the widget tree, read text, and verify that the values of widget properties
-// are correct.
-
-import 'package:flutter/material.dart';
-import 'package:flutter_test/flutter_test.dart';
-
-import 'package:example/main.dart';
-
-void main() {
-  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
-    // Build our app and trigger a frame.
-    await tester.pumpWidget(new MyApp());
-
-    // Verify that our counter starts at 0.
-    expect(find.text('0'), findsOneWidget);
-    expect(find.text('1'), findsNothing);
-
-    // Tap the '+' icon and trigger a frame.
-    await tester.tap(find.byIcon(Icons.add));
-    await tester.pump();
-
-    // Verify that our counter has incremented.
-    expect(find.text('0'), findsNothing);
-    expect(find.text('1'), findsOneWidget);
-  });
-}
+//// This is a basic Flutter widget test.
+//// To perform an interaction with a widget in your test, use the WidgetTester utility that Flutter
+//// provides. For example, you can send tap and scroll gestures. You can also use WidgetTester to
+//// find child widgets in the widget tree, read text, and verify that the values of widget properties
+//// are correct.
+//
+//import 'package:flutter/material.dart';
+//import 'package:flutter_test/flutter_test.dart';
+//
+//import 'package:example/main.dart';
+//
+//void main() {
+//  testWidgets('Counter increments smoke test', (WidgetTester tester) async {});
+//}

lib/dateModel.dart

@@ -1,3 +1,5 @@
+import 'dart:math';
+
 abstract class BasePickerModel {
   String leftStringAtIndex(int index);
   String middleStringAtIndex(int index);
@@ -77,14 +79,11 @@ class DatePickerModel extends CommonPickerModel {
   int minYear;
 
   List<int> _leapYearMonths = const <int>[1, 3, 5, 7, 8, 10, 12];
-  int _calcDateCount() {
-    final currentYear = _currentLeftIndex + minYear;
-    final currentMonth = _currentMiddleIndex + 1;
-
-    if (_leapYearMonths.contains(currentMonth)) {
+  int _calcDateCount(int year, int month) {
+    if (_leapYearMonths.contains(month)) {
       return 31;
-    } else if (currentMonth == 2) {
-      if ((currentYear % 4 == 0 && currentYear % 100 != 0) || currentYear % 400 == 0) {
+    } else if (month == 2) {
+      if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) {
         return 29;
       }
       return 28;
@@ -93,7 +92,16 @@ class DatePickerModel extends CommonPickerModel {
   }
 
   DatePickerModel({this.maxYear = 2050, this.minYear = 1970, DateTime currentTime, String locale})
-      : super(currentTime: currentTime ?? DateTime.now(), locale: locale) {
+      : super(locale: locale) {
+    if (currentTime != null) {
+      int year = currentTime.year;
+      if (this.maxYear < year) {
+        currentTime = DateTime(this.maxYear, 12, 31);
+      } else if (this.minYear > year) {
+        currentTime = DateTime(this.minYear, 1, 1);
+      }
+    }
+    this.currentTime = currentTime ?? DateTime.now();
     _currentLeftIndex = this.currentTime.year - minYear;
     _currentMiddleIndex = this.currentTime.month - 1;
     _currentRightIndex = this.currentTime.day - 1;
@@ -104,7 +112,8 @@ class DatePickerModel extends CommonPickerModel {
     this.middleList = List.generate(12, (int index) {
       return '${index + 1}${_localeMonth()}';
     });
-    this.rightList = List.generate(_calcDateCount(), (int index) {
+    this.rightList = List.generate(
+        _calcDateCount(_currentLeftIndex + minYear, _currentMiddleIndex + 1), (int index) {
       return '${index + 1}${_localeDay()}';
     });
   }

lib/flutter_datetime_picker.dart

@@ -1,5 +1,6 @@
 library flutter_datetime_picker;
 
+export 'dateModel.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'dateModel.dart';
@@ -20,17 +21,18 @@ class DatePicker {
       {bool showTitleActions: true,
       DateChangedCallback onChanged,
       DateChangedCallback onConfirm,
-      locale: 'en_NZ'}) {
+      locale: 'en_NZ',
+      BasePickerModel pickerModel}) {
     Navigator.push(
         context,
         new _DatePickerRoute(
-          showTitleActions: showTitleActions,
-          onChanged: onChanged,
-          onConfirm: onConfirm,
-          locale: locale,
-          theme: Theme.of(context, shadowThemeOnly: true),
-          barrierLabel: MaterialLocalizations.of(context).modalBarrierDismissLabel,
-        ));
+            showTitleActions: showTitleActions,
+            onChanged: onChanged,
+            onConfirm: onConfirm,
+            locale: locale,
+            theme: Theme.of(context, shadowThemeOnly: true),
+            barrierLabel: MaterialLocalizations.of(context).modalBarrierDismissLabel,
+            pickerModel: pickerModel));
   }
 }
 

pubspec.yaml

@@ -1,8 +1,8 @@
 name: flutter_datetime_picker
 description: A date time picker for flutter
 version: 0.1.0
-author:
-homepage:
+author: Realank <realank@126.com>
+homepage: https://github.com/Realank
 
 environment:
   sdk: ">=2.0.0-dev.68.0 <3.0.0"

test/flutter_datetime_picker_test.dart

@@ -1,5 +1,6 @@
-import 'package:test/test.dart';
-
-void main() {
-  test('adds one to input values', () {});
-}
+//import 'package:test/test.dart';
+//import 'package:flutter_datetime_picker/flutter_datetime_picker.dart';
+//
+//void main() {
+//  test('adds one to input values', () {});
+//}