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package cointop
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func (ct *Cointop) currentPage() int {
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ct.debuglog("currentPage()")
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return ct.State.page + 1
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}
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func (ct *Cointop) currentDisplayPage() int {
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ct.debuglog("currentDisplayPage()")
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return ct.State.page + 1
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}
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func (ct *Cointop) totalPages() int {
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ct.debuglog("totalPages()")
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return ct.getListCount() / ct.State.perPage
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}
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func (ct *Cointop) totalPagesDisplay() int {
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ct.debuglog("totalPagesDisplay()")
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return ct.totalPages() + 1
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}
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func (ct *Cointop) totalPerPage() int {
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return ct.State.perPage
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}
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func (ct *Cointop) setPage(page int) int {
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ct.debuglog("setPage()")
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if (page*ct.State.perPage) < ct.getListCount() && page >= 0 {
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ct.State.page = page
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}
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return ct.State.page
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}
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func (ct *Cointop) cursorDown() error {
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ct.debuglog("cursorDown()")
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if ct.Views.Table.Backing() == nil {
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return nil
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}
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// NOTE: return if already at the bottom
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if ct.isLastRow() {
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return nil
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}
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cx, cy := ct.Views.Table.Backing().Cursor()
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if err := ct.Views.Table.Backing().SetCursor(cx, cy+1); err != nil {
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ox, oy := ct.Views.Table.Backing().Origin()
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// set origin scrolls
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if err := ct.Views.Table.Backing().SetOrigin(ox, oy+1); err != nil {
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return err
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}
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}
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ct.RowChanged()
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return nil
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}
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func (ct *Cointop) cursorUp() error {
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ct.debuglog("cursorUp()")
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if ct.Views.Table.Backing() == nil {
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return nil
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}
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// NOTE: return if already at the top
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if ct.isFirstRow() {
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return nil
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}
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ox, oy := ct.Views.Table.Backing().Origin()
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cx, cy := ct.Views.Table.Backing().Cursor()
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if err := ct.Views.Table.Backing().SetCursor(cx, cy-1); err != nil && oy > 0 {
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// set origin scrolls
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if err := ct.Views.Table.Backing().SetOrigin(ox, oy-1); err != nil {
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return err
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}
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}
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ct.RowChanged()
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return nil
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}
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func (ct *Cointop) pageDown() error {
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ct.debuglog("pageDown()")
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if ct.Views.Table.Backing() == nil {
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return nil
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}
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// NOTE: return if already at the bottom
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if ct.isLastRow() {
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return nil
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}
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ox, oy := ct.Views.Table.Backing().Origin() // this is prev origin position
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cx, _ := ct.Views.Table.Backing().Cursor() // relative cursor position
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_, sy := ct.Views.Table.Backing().Size() // rows in visible view
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k := oy + sy
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l := len(ct.State.coins)
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// end of table
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if (oy + sy + sy) > l {
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k = l - sy
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}
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// select last row if next jump is out of bounds
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if k < 0 {
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k = 0
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sy = l
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}
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if err := ct.Views.Table.Backing().SetOrigin(ox, k); err != nil {
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return err
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}
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// move cursor to last line if can't scroll further
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if k == oy {
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if err := ct.Views.Table.Backing().SetCursor(cx, sy-1); err != nil {
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return err
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}
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}
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ct.RowChanged()
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return nil
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}
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func (ct *Cointop) pageUp() error {
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ct.debuglog("pageUp()")
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if ct.Views.Table.Backing() == nil {
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return nil
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}
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// NOTE: return if already at the top
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if ct.isFirstRow() {
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return nil
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}
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ox, oy := ct.Views.Table.Backing().Origin()
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cx, _ := ct.Views.Table.Backing().Cursor() // relative cursor position
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_, sy := ct.Views.Table.Backing().Size() // rows in visible view
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k := oy - sy
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if k < 0 {
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k = 0
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}
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if err := ct.Views.Table.Backing().SetOrigin(ox, k); err != nil {
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return err
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}
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// move cursor to first line if can't scroll further
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if k == oy {
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if err := ct.Views.Table.Backing().SetCursor(cx, 0); err != nil {
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return err
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}
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}
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ct.RowChanged()
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return nil
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}
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func (ct *Cointop) navigateFirstLine() error {
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ct.debuglog("navigateFirstLine()")
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if ct.Views.Table.Backing() == nil {
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return nil
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}
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// NOTE: return if already at the top
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if ct.isFirstRow() {
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return nil
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}
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ox, _ := ct.Views.Table.Backing().Origin()
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cx, _ := ct.Views.Table.Backing().Cursor()
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if err := ct.Views.Table.Backing().SetOrigin(ox, 0); err != nil {
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return err
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}
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if err := ct.Views.Table.Backing().SetCursor(cx, 0); err != nil {
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return err
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}
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ct.RowChanged()
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return nil
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}
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func (ct *Cointop) navigateLastLine() error {
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ct.debuglog("navigateLastLine()")
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if ct.Views.Table.Backing() == nil {
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return nil
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}
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// NOTE: return if already at the bottom
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if ct.isLastRow() {
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return nil
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}
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ox, _ := ct.Views.Table.Backing().Origin()
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cx, _ := ct.Views.Table.Backing().Cursor()
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_, sy := ct.Views.Table.Backing().Size()
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l := len(ct.State.coins)
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k := l - sy
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if err := ct.Views.Table.Backing().SetOrigin(ox, k); err != nil {
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return err
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}
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if err := ct.Views.Table.Backing().SetCursor(cx, sy-1); err != nil {
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return err
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}
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ct.RowChanged()
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return nil
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}
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func (ct *Cointop) navigatePageFirstLine() error {
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ct.debuglog("navigatePageFirstLine()")
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if ct.Views.Table.Backing() == nil {
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return nil
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}
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// NOTE: return if already at the correct line
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if ct.isPageFirstLine() {
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return nil
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}
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cx, _ := ct.Views.Table.Backing().Cursor()
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if err := ct.Views.Table.Backing().SetCursor(cx, 0); err != nil {
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return err
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}
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ct.RowChanged()
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return nil
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}
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func (ct *Cointop) navigatePageMiddleLine() error {
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ct.debuglog("navigatePageMiddleLine()")
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if ct.Views.Table.Backing() == nil {
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return nil
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}
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// NOTE: return if already at the correct line
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if ct.isPageMiddleLine() {
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return nil
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}
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cx, _ := ct.Views.Table.Backing().Cursor()
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_, sy := ct.Views.Table.Backing().Size()
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if err := ct.Views.Table.Backing().SetCursor(cx, (sy/2)-1); err != nil {
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return err
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}
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ct.RowChanged()
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return nil
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}
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func (ct *Cointop) navigatePageLastLine() error {
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ct.debuglog("navigatePageLastLine()")
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if ct.Views.Table.Backing() == nil {
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return nil
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}
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// NOTE: return if already at the correct line
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if ct.isPageLastLine() {
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return nil
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}
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cx, _ := ct.Views.Table.Backing().Cursor()
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_, sy := ct.Views.Table.Backing().Size()
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if err := ct.Views.Table.Backing().SetCursor(cx, sy-1); err != nil {
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return err
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}
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ct.RowChanged()
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return nil
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}
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func (ct *Cointop) prevPage() error {
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ct.debuglog("prevPage()")
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// NOTE: return if already at the first page
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if ct.isFirstPage() {
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return nil
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}
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ct.setPage(ct.State.page - 1)
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ct.UpdateTable()
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ct.RowChanged()
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return nil
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}
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func (ct *Cointop) nextPage() error {
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ct.debuglog("nextPage()")
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// NOTE: return if already at the last page
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if ct.isLastPage() {
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return nil
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}
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ct.setPage(ct.State.page + 1)
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ct.UpdateTable()
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ct.RowChanged()
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return nil
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}
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func (ct *Cointop) nextPageTop() error {
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ct.debuglog("nextPageTop()")
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ct.nextPage()
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ct.navigateFirstLine()
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return nil
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}
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func (ct *Cointop) prevPageTop() error {
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ct.debuglog("prevtPageTop()")
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ct.prevPage()
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ct.navigateLastLine()
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return nil
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}
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func (ct *Cointop) firstPage() error {
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ct.debuglog("firstPage()")
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// NOTE: return if already at the first page
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if ct.isFirstPage() {
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return nil
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}
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ct.State.page = 0
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ct.UpdateTable()
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ct.RowChanged()
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return nil
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}
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func (ct *Cointop) isFirstRow() bool {
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ct.debuglog("isFirstRow()")
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_, y := ct.Views.Table.Backing().Origin()
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_, cy := ct.Views.Table.Backing().Cursor()
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return (cy + y) == 0
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}
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func (ct *Cointop) isLastRow() bool {
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ct.debuglog("isLastRow()")
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_, y := ct.Views.Table.Backing().Origin()
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_, cy := ct.Views.Table.Backing().Cursor()
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numRows := len(ct.State.coins) - 1
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return (cy + y + 1) > numRows
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}
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func (ct *Cointop) isFirstPage() bool {
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ct.debuglog("isFirstPage()")
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return ct.State.page == 0
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}
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func (ct *Cointop) isLastPage() bool {
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ct.debuglog("isLastPage()")
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return ct.State.page == ct.totalPages()-1
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}
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func (ct *Cointop) isPageFirstLine() bool {
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ct.debuglog("isPageFirstLine()")
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_, cy := ct.Views.Table.Backing().Cursor()
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return cy == 0
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}
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func (ct *Cointop) isPageMiddleLine() bool {
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ct.debuglog("isPageMiddleLine()")
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_, cy := ct.Views.Table.Backing().Cursor()
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_, sy := ct.Views.Table.Backing().Size()
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return (sy/2)-1 == cy
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}
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func (ct *Cointop) isPageLastLine() bool {
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ct.debuglog("isPageLastLine()")
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_, cy := ct.Views.Table.Backing().Cursor()
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_, sy := ct.Views.Table.Backing().Size()
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return cy+1 == sy
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}
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func (ct *Cointop) lastPage() error {
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ct.debuglog("lastPage()")
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// NOTE: return if already at the last page
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if ct.isLastPage() {
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return nil
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}
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ct.State.page = ct.getListCount() / ct.State.perPage
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ct.UpdateTable()
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ct.RowChanged()
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return nil
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}
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func (ct *Cointop) goToPageRowIndex(idx int) error {
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ct.debuglog("goToPageRowIndex()")
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if ct.Views.Table.Backing() == nil {
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return nil
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}
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cx, _ := ct.Views.Table.Backing().Cursor()
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if err := ct.Views.Table.Backing().SetCursor(cx, idx); err != nil {
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return err
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}
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ct.RowChanged()
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return nil
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}
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func (ct *Cointop) goToGlobalIndex(idx int) error {
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ct.debuglog("goToGlobalIndex()")
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perpage := ct.totalPerPage()
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atpage := idx / perpage
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ct.setPage(atpage)
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rowIndex := (idx % perpage)
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ct.highlightRow(rowIndex)
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|
|
ct.UpdateTable()
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func (ct *Cointop) highlightRow(idx int) error {
|
|
|
|
ct.debuglog("highlightRow()")
|
|
|
|
ct.Views.Table.Backing().SetOrigin(0, 0)
|
|
|
|
ct.Views.Table.Backing().SetCursor(0, 0)
|
|
|
|
ox, _ := ct.Views.Table.Backing().Origin()
|
|
|
|
cx, _ := ct.Views.Table.Backing().Cursor()
|
|
|
|
_, sy := ct.Views.Table.Backing().Size()
|
|
|
|
perpage := ct.totalPerPage()
|
|
|
|
p := idx % perpage
|
|
|
|
oy := (p / sy) * sy
|
|
|
|
cy := p % sy
|
|
|
|
if oy > 0 {
|
|
|
|
ct.Views.Table.Backing().SetOrigin(ox, oy)
|
|
|
|
}
|
|
|
|
ct.Views.Table.Backing().SetCursor(cx, cy)
|
|
|
|
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// CursorDownOrNextPage ...
|
|
|
|
func (ct *Cointop) CursorDownOrNextPage() error {
|
|
|
|
ct.debuglog("CursorDownOrNextPage()")
|
|
|
|
if ct.isLastRow() {
|
|
|
|
if ct.isLastPage() {
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
if err := ct.nextPageTop(); err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
if err := ct.cursorDown(); err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// CursorUpOrPreviousPage ...
|
|
|
|
func (ct *Cointop) CursorUpOrPreviousPage() error {
|
|
|
|
ct.debuglog("CursorUpOrPreviousPage()")
|
|
|
|
if ct.isFirstRow() {
|
|
|
|
if ct.isFirstPage() {
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
if err := ct.prevPageTop(); err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
if err := ct.cursorUp(); err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
return nil
|
|
|
|
}
|