File: example.spl

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#!/usr/bin/env splrun_norl

/*
 *  STFL - The Structured Terminal Forms Language/Library
 *  Copyright (C) 2006  Clifford Wolf <clifford@clifford.at>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 3 of the License, or (at your option) any later version.
 *  
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *  
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 *  MA 02110-1301 USA
 *
 *  example.spl: A little STFL SPL example
 */

load "sql";
load "sql_utils";
load "stfl";

var db = sql_connect("sqlite", "example.db");

{
	var count = sql_value(db, "SELECT count(*) FROM people");
	var message = "$count addresses in database";
	stfl_run(stfl_create("{vbox tie:c {table{label .border:lrtb "
			"text:${stfl::message}}}}"), 3000);
}

function search()
{
	var f = stfl_create(<:>
		: table
		:   @input#style_normal:bg=blue,fg=black
		:   @input#style_focus:bg=blue,fg=white,attr=bold
		:   label
		:     .expand:0
		:     .border:lt
		:     .spacer:r
		:     text:"Name:"
		:   input[in_name]
		:     .expand:h
		:     .border:rt
		:     .colspan:2
		:     text[in_name_val]:""
		:   tablebr
		:   label
		:     .expand:0
		:     .border:lb
		:     .spacer:r
		:     text:"E-Mail:"
		:   input[in_email]
		:     .expand:h
		:     .border:b
		:     text[in_email_val]:""
		:   label
		:     .expand:0
		:     .border:lrtb
		:     text:"Press ENTER to search"
		:   tablebr
		:   list[result]
		:     pos_name[result_rowid]:
		:     style_focus:bg=blue,fg=white,attr=bold
		:     style_selected:bg=blue,fg=black
		:     .colspan:3
		:     .border:lrtb
	</>);

	function perform_search()
	{
		var in_name = stfl_get(f, "in_name_val");
		var in_email = stfl_get(f, "in_email_val");
		var tuples = sql(db, <:>
			: SELECT rowid, * FROM people WHERE 1
			<spl:if code="in_name ~!= ''">
			:	AND name LIKE ${sql::"%$in_name%"}
			</spl:if>
			<spl:if code="in_email ~!= ''">
			:	AND email LIKE ${sql::"%$in_email%"}
			</spl:if>
			: LIMIT 50
		</>);
		stfl_modify(f, "result", "replace_inner", <:>
			: list
			<spl:foreach var="[]t" list="tuples">
			:   listitem[rowid_${t.rowid}]
			:       text:${stfl::t['name']}"  <"${stfl::t['email']}">"
			</spl:foreach>
		</>);
	}

	while (1)
	{
		switch
		{
			var event = stfl_run(f, 0);

		case event ~== "ENTER" and stfl_get_focus(f) =~ /^in_/:
			perform_search();
			
		case event ~== "ENTER" and stfl_get_focus(f) ~== "result":
			if (stfl_get(f, "result_rowid") =~ /rowid_(\d+)/)
				edit($1);
			perform_search();

		case event ~== "ESC":
			stfl_reset();
			return;
		}
	}
}

function edit(rowid)
{
	var tuple = sql_tuple(db, "SELECT * FROM people WHERE rowid = $rowid");
	var fields = [
		name: "Name",
		email: "E-Mail",
		web: "WWW Address",
		description: "Description",
		addr: "Address"
	];
	var f = stfl_create(<:>
		: table
		:   @input#style_normal:bg=blue,fg=black
		:   @input#style_focus:bg=blue,fg=white,attr=bold
		:   @input#.expand:h
		:   @input#.border:rtb
		:   @label#.expand:0
		:   @label#.border:ltb
		:   @label#.spacer:r
		<spl:foreach var="i" list="fields">
		:   label
		:     text:${stfl::fields[i]}:
		:   input[in_$i]
		:     text[in_${i}_val]:${stfl::tuple[i]}
		:   tablebr
		</spl:foreach>
		:   vbox
		:     .colspan:2
		:     .border:lrtb
		:     label .tie:r
		:       text:"Press ENTER to save and ESC to cancel"
	</>);

	while (1)
	{
		switch
		{
			var event = stfl_run(f, 0);

		case event ~== "ENTER":
			sql(db, <:>
				: UPDATE people SET
				<spl:foreach var="i" list="fields">
				:	$i = ${sql::stfl_get(f, "in_${i}_val")}
				:	${ $] ? "" : ","}
				</spl:foreach>
				: WHERE rowid = $rowid
			</>);
			return;
			
		case event ~== "ESC":
			return;
		}
	}
}

search();