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path: root/c/datalistview.cpp
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#include <sstream>
#include <stdio.h>
#include <windows.h>
#include <commctrl.h>
#include <SWI-Prolog.h>

#include "resource.h"
#include "common.h"
#include "datalistview.h"
#include "episodelistview.h"
#include "listview.h"
#include "main.h"
#include "pl.h"

DataListView::DataListView(const HWND hWndParent)
	: ListView(hWndParent, (HMENU)IDC_DATALISTVIEW, LVS_NOCOLUMNHEADER)
{
	LVCOLUMN lvc;

	lvc.mask = LVCF_WIDTH|LVCF_TEXT|LVCF_SUBITEM;
	lvc.iSubItem = DLVSIKEY;
	lvc.pszText = (wchar_t*)L"Key";

	lvc.cx = Dpi(42);
	ListView_InsertColumn(hWnd, DLVSIKEY, &lvc);

	lvc.iSubItem = DLVSIVALUE;
	lvc.pszText = (wchar_t*)L"Value";
	lvc.cx = 500;
	ListView_InsertColumn(hWnd, DLVSIVALUE, &lvc);
}

void DataListView::ResizeColumns(int w)
{
	ListView_SetColumnWidth(hWnd, DLVSIKEY, LVSCW_AUTOSIZE);
	const int cxColumn = ListView_GetColumnWidth(hWnd, DLVSIKEY)+Dpi(4);
	ListView_SetColumnWidth(hWnd, DLVSIKEY, cxColumn);
	ListView_SetColumnWidth(hWnd, DLVSIVALUE, w-cxColumn-Metric<SM_CXVSCROLL>-Dpi(4));
}

void DataListView::ShowEpisode(const int iEpisode)
{
	extern EpisodeListView* const g_elv;

	ListView_DeleteAllItems(hWnd);

	Frame f;
	const int arity = 3;
	const term_t t = PL_new_term_refs(arity);
	if (!PlPut(t, iEpisode)) return;

	Query q (NULL, PL_predicate("episode_datum", arity, "episode_data"), t);
	LVITEM lviKey = {LVIF_TEXT};
	LVITEM lviValue = {LVIF_TEXT};

	for (int i = 0; q.NextSolution(std::nothrow); i++) {
		wstring_owner key;
		wstring_owner value;

		if (!(PlGet(t+1, &key) && PlGet(t+2, &value)))
			continue;

		lviKey.iItem = i;
		lviKey.iSubItem = 0;
		lviKey.pszText = key.p;
		ListView_InsertItem(hWnd, &lviKey);

		lviValue.iItem = i;
		lviValue.iSubItem = 1;
		lviValue.pszText = value.p;
		ListView_SetItem(hWnd, &lviValue);
	}

	UpdateLayout();

	LVFINDINFO lvfi;
	lvfi.flags = LVFI_PARAM;
	lvfi.lParam = iEpisode;
	int iItem = ListView_FindItem(g_elv->hWnd, -1, &lvfi);
	if (iItem != -1)
		ListView_EnsureVisible(g_elv->hWnd, iItem, TRUE);
}