seaside April 2003

seaside@lists.squeakfoundation.org

23 participants
46 discussions

[ANN] Seaside-Mysql-0.2.3
by Keith P. Hodges 03 Apr '03

03 Apr '03

Hello All, I am pleased to present my first seaside2 efforts. It is a simple MySql database table viewer. I would be very grateful for someone to review what I have done so far in detail, and I would welcome any comments on design, interaction, appropriate use of seaside etc. The plan is to learn seaside, to learn MySql, and to write a simple web based database viewer and admin tool. I hope this will evolve into a Module, equivalent to the ZOPE database stuff. I figure that having a customisable web interface to the backend database admin would be a win too. These plans are time and income permitting of course. At this stage I think it is simple enough to be a non-trivial tutorial example. You will need the mysql 1.10 driver from squeakmap my changeset makes some modifications (e.g. adding SHOW TABLES, and SHOW DATABASES) Non-obvious feature: if you do not supply the database to login to, it will login to the mysql "test" database and perform a SHOW DATABASES, from which you can select a database to view. Q. I am not sure about how to ensure that the database connection is closed after a session. Q. my Session class is only used for default preferences. I think Avi was wondering about where to put prefs, does my app demonstrate that perhaps session is not the appropriate place for them? Q. I am passing around an instance of WAMySqlBottleneck to represent the connection, and note this is not stored in the Session, is this the right idea? Q. I havent looked at what I need to do to support the back button etc, most stuff kind of works. Forking a new browser doesnt really - what is the way ahead? feel free to ask any questions, and I am available on AIM, under the screename SpiritualHelp2, if you would like to chat. best regards Keith Hodges

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[ANN] Seaside-Mysql-0.2.2
by Keith P. Hodges 03 Apr '03

03 Apr '03

Lets try this again! Hello All, I am pleased to present my first seaside2 efforts. It is a simple MySql database table viewer. I would be very grateful for someone to review what I have done so far in detail, and I would welcome any comments on design, interaction, appropriate use of seaside etc. The plan is to learn seaside, to learn MySql, and to write a simple web based database viewer and admin tool. I hope this will evolve into a Module, equivalent to the ZOPE database stuff. I figure that having a customisable web interface to the backend database admin would be a win too. These plans are time and income permitting of course. At this stage I think it is simple enough to be a non-trivial tutorial example. You will need the mysql 1.10 driver from squeakmap my changeset makes some modifications (e.g. adding SHOW TABLES, and SHOW DATABASES) Non-obvious feature: if you do not supply the database to login to, it will login to the mysql "test" database and perform a SHOW DATABASES, from which you can select a database to view. Q. I am not sure about how to ensure that the database connection is closed after a session. Q. my Session class is only used for default preferences. I think Avi was wondering about where to put prefs, does my app demonstrate that perhaps session is not the appropriate place for them? Q. I am passing around an instance of WAMySqlBottleneck to represent the connection, and note this is not stored in the Session, is this the right idea? Q. I havent looked at what I need to do to support the back button etc, most stuff kind of works. Forking a new browser doesnt really - what is the way ahead? feel free to ask any questions, and I am available on AIM, under the screename SpiritualHelp2, if you would like to chat. best regards Keith Hodges

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JavaScript anyone?
by Nevin Pratt 02 Apr '03

02 Apr '03

I'd like to know the feeling of the folks on this list concerning the use of JavaScript in web apps. I'm thinking of using a little JavaScript, but am a bit concerned about the folks out in the world who run their browsers without JavaScript being enabled. I would like to have a page with "Next Image" and "Previous Image" buttons that when pressed, shows another photo. However, I don't want the entire page to need to get refreshed. I would like *just* the image to change-- nothing more. The only way I know of to do that is via JavaScript. A specific example of JavaScript code that can do this can be found at: http://www.jsmadeeasy.com/javascripts/Images/Image%20Gallery/list.htm Nevin

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Next HLNQ (Hopeless Loser Newbie Question %^)
by Brian Brown 02 Apr '03

02 Apr '03

I'm adding some WAComponent based classes to a Dictionary using: mydict at: 'MyKey' put: (ThisPageClass new). but when I try to access a value, I get a 'key not found error' using: var := (mydict at: 'MyKey'). Should this work? Or is there a syntax issue that I'm missing? thanks! Brian

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[Q] Rendering and components...
by Brian Brown 02 Apr '03

02 Apr '03

Ok.. I have created a subclass of WAComponent (MainPage) that creates a table and has some instance variables that reference components which get rendered in the table. One of the components is called MenuBar and MenuBar contains an ordered collection of MenuItems...(which in their most basic form are anchorWithAction:text: sends). So far the MainPage renders correctly and the ManuBar component also renders the links just like I want. When I click on the links, I get MNU.. because I am not correctly referencing the WAComponent that is telling the menubar to render. Is this related to Callbacks, as in I should register one? Or is there a variable I can reference that will give me my MainPage component (the entrypoint for the application)? Or am I missing the boat completely? Brian

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[Q] Images....
by Brian Brown 01 Apr '03

01 Apr '03

Greetings... What is suggested for images and other types of content that I want my components to render? Should I import them into the squeak image or reference them via the 'resource' pathing? What do you do?

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seaside April 2003