The document discusses the development of content-rich mobile applications using a content management system that incorporates Dojo and PhoneGap. It emphasizes breaking down large applications into smaller, testable components to enhance manageability and scalability. Additionally, it includes technical details and code snippets related to application routing and UI interactions.

1. building large apps
rebecca murphey • dojoconf • @rmurphey
Saturday, September 17, 11

2. A content management system for
constructing content-rich mobile applications.
A content publishing system that uses Dojo
and PhoneGap to create a mobile app from the
output of the CMS.
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3. Saturday, September 17, 11

4. Data
Page Controller
Component
URL Change Router Route Page Factory Component
Capability
Component
Device
Storage
Remote
UI
Browser
Page Container
Old Page Controller New Page Controller
Component Component
Component Component
Component Component
Saturday, September 17, 11

5. e secret to building large apps is
never build large apps. Break up your
applications into small pieces. en,
assemble those testable, bite-sized pieces
into your big application.
Justin Meyer
Saturday, September 17, 11

6. Data
Page Controller
Component
URL Change Router Route Page Factory Component
Capability
Component
Device
Storage
Remote
UI
Browser
Page Container
Old Page Controller New Page Controller
Component Component
Component Component
Component Component
Saturday, September 17, 11

7. Data
URL Change Router Route
Device
Storage
Remote
Saturday, September 17, 11

8. Page Controller
Component
Page Factory Component
Capability
Component
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9. UI
Browser
Page Container
Old Page Controller New Page Controller
Component Component
Component Component
Component Component
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10. Data
URL Change Router Route
Device
Storage
Remote
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11. #/node/123
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12. function nodeRoute(route, nodeId, pageState) {
pageState = pageState || {};
var nodeModel = toura.app.Data.getModel(nodeId),
page = toura.app.UI.getCurrentPage();
if (!page || !page.node || nodeId !== page.node.id) {
page = toura.app.PageFactory.createPage('node', nodeModel);
page.init(pageState);
toura.app.UI.showPage(page, nodeModel);
} else {
page.init(pageState);
}
}
Saturday, September 17, 11

13. Page Controller
Component
Page Factory Component
Capability
Component
Saturday, September 17, 11

14. function nodeRoute(route, nodeId, pageState) {
pageState = pageState || {};
var nodeModel = toura.app.Data.getModel(nodeId),
page = toura.app.UI.getCurrentPage();
if (!page || !page.node || nodeId !== page.node.id) {
page = toura.app.PageFactory.createPage('node', nodeModel);
page.init(pageState);
toura.app.UI.showPage(page, nodeModel);
} else {
page.init(pageState);
}
}
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15. Saturday, September 17, 11

16. this.connect(this.videoList, 'onSelect', function(assetId) {
var video = this._videoById(assetId);
this.videoCaption.set('content', video.caption || '');
this.videoPlayer.play(assetId);
});
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17. videoPlayer.set('mediaId', mediaId);
_setMediaIdAttr : function(mediaId) {
var media = this.media = this.mediasCache[mediaId];
if (this.useHtml5Player && !this.player) {
this._queuedMedia = media;
return;
}
this._queuedMedia = null;
if (this.player) {
this.player.src = media.url;
}
},
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18. myComponent.set(key, val)
to change state
myComponent.on<Evt>(data)
to announce state changes
myComponent.subscribe(topic)
to react to published topics
dojo.publish(topic, data)
to announce occurrences of app-wide interest
myController.connect(component, evt, handler)
to listen for events & methods
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19. Saturday, September 17, 11

20. Search Input
toura.app.Data.search(term)
searchInputInstance.onSearch(term)
Search Page
Controller Application Data
searchResults.set('results', resultSet)
return resultSet
Search Results
Display
Saturday, September 17, 11

21. dojo.declare(
'toura.pageControllers.search.Search',
[ toura.pageControllers._Page ], {
// ...
postCreate : function() {
// ...
this.connect(this.searchInput, 'onSearch', '_handleSearch');
},
_handleSearch : function(term) {
if (term === this.lastSearchTerm) { return; }
this.searchResults.set('results', toura.app.Data.search(term));
},
// ...
});
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22. Page Controller
Component
Page Factory Component
Capability
Component
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23. UI
Browser
Page Container
Old Page Controller New Page Controller
Component Component
Component Component
Component Component
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24. function nodeRoute(route, nodeId, pageState) {
pageState = pageState || {};
var nodeModel = toura.app.Data.getModel(nodeId),
page = toura.app.UI.getCurrentPage();
if (!page || !page.node || nodeId !== page.node.id) {
page = toura.app.PageFactory.createPage('node', nodeModel);
page.init(pageState);
toura.app.UI.showPage(page, nodeModel);
} else {
page.init(pageState);
}
}
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25. showPage : function(page, node) {
if (page.startup) {
var s = dojo.subscribe('/page/transition/end', function() {
page.startup();
dojo.unsubscribe(s);
});
}
this.containers.pages.set('content', page);
this.currentPage = page;
}
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26. Saturday, September 17, 11

27. http://toura.github.com/mulberry
@touradev
rebeccamurphey.com • blog.rebeccamurphey.com • @rmurphey
Saturday, September 17, 11