Added minute_step as an option to select_minute (and the helpers that use it)...

Added minute_step as an option to select_minute (and the helpers that use it) to jump in larger increments than just 1 minute. At 15, it would return 0, 15, 30, 45 options #1085 [ordwaye@evergreen.edu]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1154 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

 *SVN*
 
+* Added minute_step as an option to select_minute (and the helpers that use it) to jump in larger increments than just 1 minute. At 15, it would return 0, 15, 30, 45 options #1085 [ordwaye@evergreen.edu]
+
 * Fixed that an exception would be thrown when an empty form was submitted #1090 [jan@ulbrich-boerwang.de]
 
 * Moved TextHelper#human_size to NumberHelper#number_to_human_size, but kept an deprecated alias to the old method name

actionpack/lib/action_view/helpers/date_helper.rb

@@ -114,11 +114,12 @@ def select_second(datetime, options = {})
       end
 
       # Returns a select tag with options for each of the minutes 0 through 59 with the current minute selected.
+      # Also can return a select tag with options by <tt>minute_step</tt> from 0 through 59 with the 00 minute selected
       # The <tt>minute</tt> can also be substituted for a minute number.
       def select_minute(datetime, options = {})
         minute_options = []
 
-        0.upto(59) do |minute|
+        0.step(59, options[:minute_step] || 1) do |minute|
           minute_options << ((datetime && (datetime.kind_of?(Fixnum) ? datetime : datetime.min) == minute) ?
             "<option selected=\"selected\">#{leading_zero_on_single_digits(minute)}</option>\n" :
             "<option>#{leading_zero_on_single_digits(minute)}</option>\n"

actionpack/test/template/date_helper_test.rb

@@ -164,6 +164,14 @@ def test_select_minute_with_blank
     assert_equal expected, select_minute(Time.mktime(2003, 8, 16, 8, 4, 18), :include_blank => true)
   end
 
+  def test_select_minute_with_blank_and_step
+    expected = %(<select name="date[minute]">\n)
+    expected << %(<option></option>\n<option>00</option>\n<option>15</option>\n<option>30</option>\n<option>45</option>\n)
+    expected << "</select>\n"
+
+    assert_equal expected, select_minute(Time.mktime(2003, 8, 16, 8, 4, 18), { :include_blank => true , :minute_step => 15 })
+  end
+
   def test_select_minute_nil_with_blank
     expected = %(<select name="date[minute]">\n)
     expected << %(<option></option>\n<option>00</option>\n<option>01</option>\n<option>02</option>\n<option>03</option>\n<option>04</option>\n<option>05</option>\n<option>06</option>\n<option>07</option>\n<option>08</option>\n<option>09</option>\n<option>10</option>\n<option>11</option>\n<option>12</option>\n<option>13</option>\n<option>14</option>\n<option>15</option>\n<option>16</option>\n<option>17</option>\n<option>18</option>\n<option>19</option>\n<option>20</option>\n<option>21</option>\n<option>22</option>\n<option>23</option>\n<option>24</option>\n<option>25</option>\n<option>26</option>\n<option>27</option>\n<option>28</option>\n<option>29</option>\n<option>30</option>\n<option>31</option>\n<option>32</option>\n<option>33</option>\n<option>34</option>\n<option>35</option>\n<option>36</option>\n<option>37</option>\n<option>38</option>\n<option>39</option>\n<option>40</option>\n<option>41</option>\n<option>42</option>\n<option>43</option>\n<option>44</option>\n<option>45</option>\n<option>46</option>\n<option>47</option>\n<option>48</option>\n<option>49</option>\n<option>50</option>\n<option>51</option>\n<option>52</option>\n<option>53</option>\n<option>54</option>\n<option>55</option>\n<option>56</option>\n<option>57</option>\n<option>58</option>\n<option>59</option>\n)
@@ -172,6 +180,14 @@ def test_select_minute_nil_with_blank
     assert_equal expected, select_minute(nil, :include_blank => true)
   end
 
+  def test_select_minute_nil_with_blank_and_step
+    expected = %(<select name="date[minute]">\n)
+    expected << %(<option></option>\n<option>00</option>\n<option>15</option>\n<option>30</option>\n<option>45</option>\n)
+    expected << "</select>\n"
+
+    assert_equal expected, select_minute(nil, { :include_blank => true , :minute_step => 15 })
+  end
+  
   def test_select_second
     expected = %(<select name="date[second]">\n)
     expected << %(<option>00</option>\n<option>01</option>\n<option>02</option>\n<option>03</option>\n<option>04</option>\n<option>05</option>\n<option>06</option>\n<option>07</option>\n<option>08</option>\n<option>09</option>\n<option>10</option>\n<option>11</option>\n<option>12</option>\n<option>13</option>\n<option>14</option>\n<option>15</option>\n<option>16</option>\n<option>17</option>\n<option selected="selected">18</option>\n<option>19</option>\n<option>20</option>\n<option>21</option>\n<option>22</option>\n<option>23</option>\n<option>24</option>\n<option>25</option>\n<option>26</option>\n<option>27</option>\n<option>28</option>\n<option>29</option>\n<option>30</option>\n<option>31</option>\n<option>32</option>\n<option>33</option>\n<option>34</option>\n<option>35</option>\n<option>36</option>\n<option>37</option>\n<option>38</option>\n<option>39</option>\n<option>40</option>\n<option>41</option>\n<option>42</option>\n<option>43</option>\n<option>44</option>\n<option>45</option>\n<option>46</option>\n<option>47</option>\n<option>48</option>\n<option>49</option>\n<option>50</option>\n<option>51</option>\n<option>52</option>\n<option>53</option>\n<option>54</option>\n<option>55</option>\n<option>56</option>\n<option>57</option>\n<option>58</option>\n<option>59</option>\n)