37 lines
954 B
Go
37 lines
954 B
Go
package main
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import (
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"errors"
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"github.com/ying32/govcl/vcl"
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)
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var ErrNavNotExist error = errors.New("The selected item no longer exists")
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var ErrNotSupported error = errors.New("Unsupported action for this database type")
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type contextAction struct {
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Name string
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Callback func(ndata *navData)
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}
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// loadedDatabase is a DB-agnostic interface for each loaded database.
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type loadedDatabase interface {
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DisplayName() string
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DriverName() string
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RootElement() *vcl.TTreeNode
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RenderForNav(f *TMainForm, ndata *navData)
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ApplyChanges(f *TMainForm, ndata *navData) error
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ExecQuery(query string, resultArea *vcl.TStringGrid) error
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NavChildren(ndata *navData) ([]string, error)
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NavContext(ndata *navData) ([]contextAction, error)
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Keepalive(ndata *navData)
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Close()
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}
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// navData is the .Data() pointer for each TTreeNode in the left-hand tree.
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type navData struct {
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ld loadedDatabase
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childrenLoaded bool
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bucketPath []string
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}
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