77 lines
1.5 KiB
Go
77 lines
1.5 KiB
Go
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// Copyright 2013 The Walk Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build windows
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package walk
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import (
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"sort"
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)
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type mapTableModel struct {
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TableModelBase
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SorterBase
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dataMembers []string
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dataSource interface{}
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items []map[string]interface{}
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}
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func newMapTableModel(dataSource interface{}) (TableModel, error) {
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items, ok := dataSource.([]map[string]interface{})
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if !ok {
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return nil, newError("dataSource must be assignable to []map[string]interface{}")
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}
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return &mapTableModel{dataSource: dataSource, items: items}, nil
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}
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func (m *mapTableModel) setDataMembers(dataMembers []string) {
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m.dataMembers = dataMembers
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}
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func (m *mapTableModel) RowCount() int {
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return len(m.items)
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}
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func (m *mapTableModel) Value(row, col int) interface{} {
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if m.items[row] == nil {
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if populator, ok := m.dataSource.(Populator); ok {
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if err := populator.Populate(row); err != nil {
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return err
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}
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}
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if m.items[row] == nil {
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return nil
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}
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}
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return m.items[row][m.dataMembers[col]]
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}
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func (m *mapTableModel) Sort(col int, order SortOrder) error {
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m.col, m.order = col, order
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sort.Stable(m)
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m.changedPublisher.Publish()
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return nil
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}
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func (m *mapTableModel) Len() int {
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return m.RowCount()
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}
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func (m *mapTableModel) Less(i, j int) bool {
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col := m.SortedColumn()
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return less(m.Value(i, col), m.Value(j, col), m.SortOrder())
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}
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func (m *mapTableModel) Swap(i, j int) {
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m.items[i], m.items[j] = m.items[j], m.items[i]
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}
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