A lot of layout work
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266
wdgt_table.go
Normal file
266
wdgt_table.go
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/*
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Copyright © Brian Buller <brian@bullercodeworks.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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package widgets
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import (
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"fmt"
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"strings"
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wh "git.bullercodeworks.com/brian/tcell-widgets/helpers"
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"github.com/gdamore/tcell"
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)
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type Table struct {
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id string
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title string
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style tcell.Style
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active bool
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visible bool
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focusable bool
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tabbable bool
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header []string
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footer []string
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data [][]string
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minimized bool
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cursorX, cursorY int
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wrapColumns bool
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border []rune
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x, y int
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w, h int
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columnWidths []int
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}
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var _ Widget = (*Table)(nil)
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type TableSelectMode int
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const (
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TableSelectCell = iota
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TableSelectRow
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TableSelectColumn
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)
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type TableSortDirection int
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const (
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TableSortAsc = iota
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TableSortDesc
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)
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func NewTable(id string, style tcell.Style) *Table {
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ret := &Table{style: style}
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ret.Init(id, style)
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return ret
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}
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func (w *Table) Init(id string, style tcell.Style) {
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w.id = id
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w.style = style
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w.visible = true
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w.border = wh.BRD_CSIMPLE
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w.tabbable = true
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}
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func (w *Table) Id() string { return w.id }
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func (w *Table) HandleResize(ev *tcell.EventResize) {
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w.w, w.h = ev.Size()
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// w.w = wh.Min(w.w, w.WantW())
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// w.h = wh.Min(w.h, w.WantH())
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}
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func (w *Table) HandleKey(ev *tcell.EventKey) bool {
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if !w.active {
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return false
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}
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return false
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}
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func (w *Table) HandleTime(ev *tcell.EventTime) {}
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func (w *Table) Draw(screen tcell.Screen) {
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if !w.visible {
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return
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}
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dStyle := w.style
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if w.active {
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dStyle = w.style.Bold(true)
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}
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var dat [][]string
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for i := range w.data {
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dat = append(dat, w.data[i])
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}
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x, y := w.x, w.y
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width, height := w.w, w.h
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if width <= 0 || height <= 0 {
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return
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}
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if !w.active {
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dStyle = dStyle.Dim(true)
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}
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if w.minimized {
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wh.DrawText(x, y, fmt.Sprintf("├%s (%d rows)┤", w.title, len(dat)), dStyle, screen)
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return
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}
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if w.title != "" {
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wh.TitledBorder(x, y, w.x+width, w.y+height, w.title, wh.BRD_CSIMPLE, dStyle, screen)
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} else {
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wh.Border(x, y, w.x+width, w.y+height, wh.BRD_CSIMPLE, dStyle, screen)
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}
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if len(w.header) > 0 {
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wh.DrawText(x, y, fmt.Sprintf("│%s│", strings.Join(w.header, "│")), dStyle, screen)
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y++
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}
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if len(dat) == 0 {
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wh.DrawText(x, y, "No data in table", dStyle, screen)
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y++
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} else {
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for i := range dat {
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wh.DrawText(x, y, fmt.Sprintf("│%s│", strings.Join(dat[i], "│")), dStyle, screen)
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y++
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}
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}
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if len(w.footer) > 0 {
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wh.DrawText(x, y, fmt.Sprintf("│%s│", strings.Join(w.header, "│")), dStyle, screen)
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y++
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}
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}
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func (w *Table) Active() bool { return w.active }
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func (w *Table) SetActive(a bool) { w.active = a }
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func (w *Table) Visible() bool { return w.visible }
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func (w *Table) SetVisible(a bool) { w.visible = a }
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func (w *Table) SetX(x int) { w.x = x }
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func (w *Table) SetY(y int) { w.y = y }
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func (w *Table) GetX() int { return w.x }
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func (w *Table) GetY() int { return w.y }
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func (w *Table) GetPos() Coord { return Coord{X: w.x, Y: w.y} }
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func (w *Table) SetPos(c Coord) { w.x, w.y = c.X, c.Y }
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func (w *Table) SetW(x int) { w.w = x }
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func (w *Table) SetH(y int) { w.h = y }
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func (w *Table) GetW() int { return w.w }
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func (w *Table) GetH() int { return w.y }
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func (w *Table) WantW() int {
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if w.minimized {
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return len(fmt.Sprintf("├%s (%d rows)┤", w.title, len(w.data)))
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}
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// For each column, find the longest (in header, data, and footer)
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var totalW int
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colCnt := wh.Max(len(w.header), len(w.footer))
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for i := range w.data {
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colCnt = wh.Max(colCnt, len(w.data[i]))
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}
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for i := 0; i < colCnt; i++ {
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var cols []int
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if len(w.header) > i {
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cols = append(cols, len(w.header[i]))
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}
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for j := range w.data {
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if len(w.data[j]) > i {
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cols = append(cols, len(w.data[j][i]))
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}
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}
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if len(w.footer) > i {
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cols = append(cols, len(w.footer[i]))
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}
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totalW += wh.Max(cols...)
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}
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return totalW
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}
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func (w *Table) WantH() int {
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if w.minimized {
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return 1
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}
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datLen := len(w.data) + 2 // Data length + Border
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if len(w.header) > 0 {
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datLen += len(w.header) + 1 // Header length + separator
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}
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if datLen == 0 {
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datLen = 1
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}
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if len(w.footer) > 0 {
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datLen += len(w.footer) + 1 // Footer length + separator
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}
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return datLen
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}
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func (w *Table) MinW() int {
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if w.minimized {
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return len(fmt.Sprintf("├%s (%d rows)┤", w.title, len(w.data)))
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}
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// For each column, find the longest (in header, data, and footer)
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var totalW int
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colCnt := wh.Max(len(w.header), len(w.footer))
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for i := range w.data {
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colCnt = wh.Max(colCnt, len(w.data[i]))
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}
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for i := 0; i < colCnt; i++ {
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var cols []int
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if len(w.header) > i {
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cols = append(cols, len(w.header[i]))
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}
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for j := range w.data {
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if len(w.data[j]) > i {
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cols = append(cols, len(w.data[j][i]))
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}
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}
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if len(w.footer) > i {
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cols = append(cols, len(w.footer[i]))
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}
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totalW += wh.Max(cols...)
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}
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return totalW
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}
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func (w *Table) MinH() int {
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if w.minimized {
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return 1
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}
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datLen := wh.Min(len(w.data)+2, 7) // Data length + Border
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if len(w.header) > 0 {
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datLen += len(w.header) + 1 // Header length + separator
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}
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if datLen == 0 {
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datLen = 1
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}
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if len(w.footer) > 0 {
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datLen += len(w.footer) + 1 // Footer length + separator
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}
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return datLen
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}
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func (w *Table) SetSize(c Coord) { w.w, w.h = c.X, c.Y }
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func (w *Table) Focusable() bool { return w.focusable }
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func (w *Table) SetTabbable(b bool) { w.tabbable = b }
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func (w *Table) Tabbable() bool { return w.tabbable }
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func (w *Table) SetTitle(ttl string) { w.title = ttl }
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func (w *Table) SetFocusable(f bool) { w.focusable = f }
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func (w *Table) SetBorder(b []rune) { w.border = b }
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func (w *Table) AddRow(row []string) { w.data = append(w.data, row) }
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func (w *Table) ClearData() { w.data = [][]string{} }
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func (w *Table) GetData() [][]string { return w.data }
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