author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Mon, 16 Nov 2009 14:47:47 +0100 | |
branch | stable |
changeset 3858 | ba96e4607e67 |
parent 108 | 60faaa480f02 |
child 2789 | 39712da6f397 |
permissions | -rw-r--r-- |
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.. -*- coding: utf-8 -*- |
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Définir l'interface utilisateur avec des vues |
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============================================= |
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`LAX` provides out-of-the-box a web interface that is generated from |
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the schema definition: entities can be created, displayed, updated and |
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deleted. As display views are not very fancy, it is usually necessary |
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to develop your own. |
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With `LAX`, views are defined by Python classes. A view includes : |
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- an identifier (all objects in `LAX` are entered in a registry |
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and this identifier will be used as a key) |
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- a filter to select the resulsets it can be applied to |
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`LAX` provides a lot of standard views, for a complete list, you |
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will have to read the code in directory views (XXX improve doc). |
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For example, the view named ``primary`` is the one used to display |
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a single entity. |
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If you want to change the way a ``BlogEntry`` is displayed, just |
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override the view ``primary`` in ``BlogDemo/views.py`` :: |
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from ginco.web.views import baseviews |
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class BlogEntryPrimaryView(baseviews.PrimaryView): |
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accepts = ('BlogEntry',) |
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def cell_call(self, row, col): |
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entity = self.entity(row, col) |
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self.w(u'<h1>%s</h1>' % entity.title) |
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self.w(u'<div>%s</div>' % entity.publish_date) |
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self.w(u'<div>%s</div>' % entity.category) |
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self.w(u'<div>%s</div>' entity.content) |
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[WRITE ME] |
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* Defining views with selection/views |
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* implementing interfaces, calendar for blog entries |
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* show that a calendar view can export data to ical |
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* create view "blogentry table" with title, publish_date, category |
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* in view blog, select blogentries and apply view "blogentry table" |
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* demo ajax by filtering blogentry table on category |
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Components |
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=========== |
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[WRITE ME] |
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* explain the component architecture |
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* add comments to the blog by importing the comments component |
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MainTemplate |
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============ |
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[WRITE ME] |
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* customize MainTemplate and show that everything in the user |
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interface can be changed |
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RSS Channel |
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=========== |
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[WRITE ME] |
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* show that the RSS view can be used to display an ordered selection |
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of blog entries, thus providing a RSS channel |
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* show that a different selection (by category) means a different channel |
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RQL |
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==== |
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[WRITE ME] |
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* talk about the Relation Query Language |
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URL Rewriting |
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============= |
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[WRITE ME] |
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* show how urls are mapped to selections and views and explain URLRewriting |
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Security |
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========= |
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[WRITE ME] |
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* talk about security access rights and show that security is defined |
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using RQL |
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