Going Virtual

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iolo favorited this 8 months ago
Tags qoxdoo ajax javascript
Enrique Juan de Dios, CSS Specialist, Web Developer, Project Consultant at Attachmedia, added this to the group Learning Javascript
Enrique Juan de Dios, CSS Specialist, Web Developer, Project Consultant at Attachmedia, favorited this 8 months ago
Tags javascript

colorstrip.gifT THE NEW ERA OF WEB DEVELOPMENT Going Virtual Virtual Widget Framework for qooxdoo Fabian Jakobs Jonathan Weiß
Table in qooxdoo 0.8
Virtual Widget Use Cases
Design Principles • Low dependencies • No policies • No implicit actions • Small API • Pluggable components • Customized widgets on top
Core: Virtual Pane
Core: Virtual Pane virtual scrolling
Core: Virtual Pane virtual variable scrolling cell sizes
Pane Architecture Pane Layer Container Layer #1 Layer #2 Layer #3
Pane Pane • Renders window of Layer Container Layer #1 virtual grid Layer #2 • variable row/column Layer #3 sizes • Layers are widgets
Axis • Converts virtual pixel coordinates into: • Cell indexes • Cell Offsets • Allows custom cell sizes
Layer Examples • Row Color • Grid Line • HTML Cell • Widget Cell
Row Layer
Scroller • Provides scroll bars for the pane • Extends qx.ui.core.AbstractScrollArea
Wish list Column Selection Sorting Cell Renderer Focus Cell Editor Row/Column Grouping Header span Frozen Column ... Resizing Columns
DEMO