Updating tab stops related to keyboard navigation.
fix typo
Editing keyboard navigation specification and test plan due to tab navigation changes in base grid.
Updating spec with new inputs/outputs/methods for version: 9.0.x
docs(*): changing class names renamed because of ivy #5849
Updating spec - new option for showing expand all icon - showExpandAll.
Correcting code snippet.
Updating Expand All Header/Collapse All Header Indicator
Introducing hasChildrenKey input
Update Expand/Collapse row template + visibility
Updated Hierarchical Grid Specification (markdown)
Adding templates for "Collapse All" header button and "Expand/Collapse" row button
Add manual scenario for Load on Demand.
chore(*): adding foreignKey to hgrid spec
Adding global Search information and tests for Hierarchical Grid.
Update spec with new key combinations for expand/collapse.
Update IPathSegment interface.
Update IPathSegment interface and change use of layout to row island.
docs(hgrid): remove groupby from spec
Adding tests for integration with igxTabs and igxDialog
docs(hgrid): adding updating test scenario #3499
docs(hgrid): updating spec and spelling corrections #3499