nice, if i knew this exits ... thanks alot
On Oct 27, 2:46 pm, Luther Goh Lu Feng <elf...@yahoo.com> wrote: > Thanks for the help selecta. I think your explanation is correct. > > I have managed to resolve my problem by using .live() > methodhttp://api.jquery.com/live/ > > replacing > > $('select#conversation_dropdown_text').change(function(){ > > for > > $('select#conversation_dropdown_text').live('change',function(){ > > On Oct 27, 5:14 pm, selecta <gr...@delarue-berlin.de> wrote: > > > > > i think the problem is that only on the first load the $ > > ('select#conversation_dropdown_text').change(function(){ is executed > > that means that the change() is only applied to > > select#conversation_dropdown_text on the initial load > > on reload you would need to retrigger the change() on the > > select#conversation_dropdown_text > > to do that include the script in the LOAD component > > script = SCRIPT("$ > > ('select#conversation_dropdown_text').change(function() > > { alert('meow'); }); ...", _type = "text/javascript") > > e.g. return {'conversation_dropdown':TAG[''](script, > > conversation_dropdown)} > > > On Oct 26, 9:18 pm, Luther Goh Lu Feng <elf...@yahoo.com> wrote: > > > > This problem might be related to the one > > > athttp://groups.google.com/group/web2py/browse_thread/thread/1eead541f5... > > > > The view console.html has two drop down selects. The 1st dropdown > > > select (id="worksheet-list") activates loads a component via > > > javascript when changed. The second dropdown select will trigger an > > > alert dialog when changed. > > > > When the page is freshly loaded, the second dropdown works as > > > expected. After a fresh reload, the 1st dropdown works as expected > > > too. If the 2nd dropdown is immediately triggered after the 1st > > > dropdown, the 2nd dropdown fails, ie no dialog box appears. And there > > > are no errors in the javascript console. > > > > I did a diff of the source code when the 2nd dropdown was working > > > after a fresh reload, and when it fails, and found very very small > > > differences in the source:http://tinypic.com/r/muzcyh/7 > > > > I hope someone can aid me in explaining the cause of these > > > observations and help me debug this. Thanks in advance. > > > > #console.html > > > > <select id="worksheet-list"> > > > {{ for wk in worksheets: }} > > > <option value="{{=wk.id}}">{{=wk.subject}}: > > > {{=wk.name}}</option> > > > {{ pass }} > > > </select> > > > > <script> > > > <!-- Load comment component based on dropdown selected --> > > > $(document).ready(function(){ > > > > > > $('select#conversation_dropdown_text').change(function(){ > > > alert('meow'); > > > }); > > > > $('select#worksheet-list').change(function(){ > > > > > > web2py_component("/roverus/comment/conversation_dropdown.load/" + $ > > > ('#worksheet-list').val(),"sidebar-header") > > > > }); > > > }) > > > </script> > > > > <h1>Conversation</h1> > > > <div id="sidebar-header"> > > > {{ block sidebar-header }} > > > {{=LOAD('comment', 'conversation_dropdown.load', > > > args=[request.args[0]], ajax=False)}} > > > {{ end }} > > > </div> > > > > ============================================== > > > > #comment.py > > > > def conversation_dropdown(): > > > '''This action returns a dropdown component''' > > > > # Pull the worksheet requested > > > w = db.worksheet(request.args(0)) > > > > # Create the manage the conversation selector dropdown > > > conversation_dropdown = SQLFORM.factory( > > > Field('text', label='Select a conversation', > > > requires=IS_IN_DB(db(db.question.worksheet==w), 'question.id', > > > 'question.text', orderby='question.id')), _id='conversation_dropdown', > > > table_name="conversation_dropdown") > > > > #hide the submit button > > > submit = conversation_dropdown.element('input',_type='submit') > > > submit['_style'] = 'display:none;' > > > > #process form dropdown > > > if conversation_dropdown.accepts(request.vars, session): > > > current_conversation = request.vars.text > > > elif conversation_dropdown.errors: > > > response.flash = 'Form has errors' > > > > return {'conversation_dropdown':conversation_dropdown}
