mvp

What is the Rails Presenters folder for?

由 …衆ロ難τιáo~ 提交于 2019-12-08 19:19:02
问题 What is the Rails Presenters folder for? What goes in this folder? Why is this folder needed? 回答1: presenters is a design pattern commonly reffered to as Model View Presenter(MVP) This is a derivation of the Model View Controller pattern and is used for creating user interfaces. It's useful for the Separation of Concerns for making code more DRY. Here's how Wikipedia describes it model - interface defining the data to be displayed or otherwise acted upon in the user interface. presenter -

What is the difference between MVP and MVC? [duplicate]

由 谁说胖子不能爱 提交于 2019-12-08 05:44:10
问题 This question already has answers here : Closed 9 years ago . Possible Duplicate: What are MVP and MVC and what is the difference? I don't see any difference between MVP and MVC software architectures (MVC where controller implements mediator pattern), other than the name by which you call the mediator (presenter vs controller) Can someone provide a clear explanation? I care because I have a reasonable understanding of MVC via cocoa and I'm wondering how that knowledge will have to grow to

Model-View-Presenter (or oter GUI architectures) for Complex GUI Library Design in Winforms and WPF [closed]

由 北战南征 提交于 2019-12-08 04:00:04
问题 Closed . This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 5 years ago . I wasn't quite sure how to title this question or even ask it really, but I will do my best. I am building a diagram/flowchart style designer which involves (from a very high level) a toolbox of controls, connections, connection points, overlays for editing,etc. The controls

How to avoid parallel inheritance hierarchies among GUI controls and domain objects

由 ε祈祈猫儿з 提交于 2019-12-07 19:07:48
问题 I am developing a Windows Forms application in C#. I am using the MVP design pattern. In the GUI the user can manipulate printer objects, and there needs to be custom controls that represent the printer objects to the user. There is a class hierarchy that represents the printers. At the base there is an abstract Printer class. Then there is an abstract InkJetPrinter class and an abstract LaserPrinter class, each inheriting from Printer. The concrete classes represent the different makes and

GWT - MVP Event bus. Multiple handlers getting created

由 强颜欢笑 提交于 2019-12-07 13:13:24
问题 I am working in a large application I inherited, and am running into some best practices issues. Every time a user navigates to our Customer Edit page, a new presenter is created, and a view is set. There is a main presenter for the customer edit, and a main view. There are also sub views within the main view that are used by sub presenters of the main presenter. Within the sub presenters I register event handlers on the event bus. The issue I'm having is that when a navigates to the contact

MVP and communication between GWT widgets

由 老子叫甜甜 提交于 2019-12-07 07:57:11
问题 If I am using the MVP pattern with GWT, as in the GWT architecture best practices talk from Google I/O from 2009, but have spread out the information into multiple widgets, how should the value object be populated? Say I have a EditPersonView/Presenter, a EditPetView/Presenter and an EditAddressView/Presenter and the last two are widgets as a part of a panel in the EditPersonView. With these I have the following class: class PersonDetails { private PetDetails pet; private AddressDetails

What is the difference between MVP and MVC? [duplicate]

由 放肆的年华 提交于 2019-12-07 07:39:27
This question already has answers here : Closed 9 years ago . Possible Duplicate: What are MVP and MVC and what is the difference? I don't see any difference between MVP and MVC software architectures (MVC where controller implements mediator pattern), other than the name by which you call the mediator (presenter vs controller) Can someone provide a clear explanation? I care because I have a reasonable understanding of MVC via cocoa and I'm wondering how that knowledge will have to grow to understand MPF/C#/.NET Darin's provided a good link. I'd say there are a couple key differences, but a

Android MVP: safe use Context in Presenter

由 旧城冷巷雨未停 提交于 2019-12-06 17:55:02
问题 In my app I work with ContentProvider and use LoaderManager.LoaderCallbacks<Cursor>. Fragment (View) public class ArticleCatalogFragment extends BaseFragment implements ArticleCatalogPresenter.View, LoaderManager.LoaderCallbacks<Cursor> { @Override public Loader<Cursor> onCreateLoader(int id, Bundle args) { return onCreateArticleCatalogLoader(args); } @Override public void onLoadFinished(Loader<Cursor> loader, Cursor data) { data.registerContentObserver(new LoaderContentObserver(new Handler()

Model-View-Presenter (or oter GUI architectures) for Complex GUI Library Design in Winforms and WPF [closed]

由 孤街醉人 提交于 2019-12-06 14:55:56
Closed . This question is opinion-based . It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post . Closed 5 years ago . I wasn't quite sure how to title this question or even ask it really, but I will do my best. I am building a diagram/flowchart style designer which involves (from a very high level) a toolbox of controls, connections, connection points, overlays for editing,etc. The controls are backed by business objects or components. (i.e. there might be an 'Accounts' components which is

How to apply MVP pattern to android project

由 ▼魔方 西西 提交于 2019-12-06 14:36:52
问题 Sorry about my English grammar. My question is little bit stupid but I want to understand clearly about how MVP pattern apply in real application. I'm developing an android project. I want to apply MVP pattern to my project. I refer to this demo : https://github.com/antoniolg/androidmvp I'm very excited with this pattern. But in this demo project, I see each activity (a view) , we always have a presenter and an interactor (model) and something else. So in project which have many screen : How
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