forked from toolshed/abra
61 lines
2.1 KiB
Go
61 lines
2.1 KiB
Go
package table
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// UserEvent is some state change that has occurred due to user input. These will
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// ONLY be generated when a user has interacted directly with the table. These
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// will NOT be generated when code programmatically changes values in the table.
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type UserEvent any
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func (m *Model) appendUserEvent(e UserEvent) {
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m.lastUpdateUserEvents = append(m.lastUpdateUserEvents, e)
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}
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func (m *Model) clearUserEvents() {
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m.lastUpdateUserEvents = nil
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}
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// GetLastUpdateUserEvents returns a list of events that happened due to user
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// input in the last Update call. This is useful to look for triggers such as
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// whether the user moved to a new highlighted row.
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func (m *Model) GetLastUpdateUserEvents() []UserEvent {
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// Most common case
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if len(m.lastUpdateUserEvents) == 0 {
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return nil
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}
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returned := make([]UserEvent, len(m.lastUpdateUserEvents))
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// Slightly wasteful but helps guarantee immutability, and this should only
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// have data very rarely so this is fine
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copy(returned, m.lastUpdateUserEvents)
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return returned
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}
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// UserEventHighlightedIndexChanged indicates that the user has scrolled to a new
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// row.
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type UserEventHighlightedIndexChanged struct {
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// PreviousRow is the row that was selected before the change.
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PreviousRowIndex int
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// SelectedRow is the row index that is now selected
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SelectedRowIndex int
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}
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// UserEventRowSelectToggled indicates that the user has either selected or
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// deselected a row by toggling the selection. The event contains information
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// about which row index was selected and whether it was selected or deselected.
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type UserEventRowSelectToggled struct {
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RowIndex int
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IsSelected bool
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}
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// UserEventFilterInputFocused indicates that the user has focused the filter
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// text input, so that any other typing will type into the filter field. Only
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// activates for the built-in filter text box.
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type UserEventFilterInputFocused struct{}
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// UserEventFilterInputUnfocused indicates that the user has unfocused the filter
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// text input, which means the user is done typing into the filter field. Only
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// activates for the built-in filter text box.
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type UserEventFilterInputUnfocused struct{}
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