// ERPNext - web based ERP (http://erpnext.com)
// Copyright (C) 2012 Web Notes Technologies Pvt Ltd
// 
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program 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 General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

// question toolbar
// contains - voting widget / tag list and user info / timestamp
// By XXXXXX on YYYYY

KBItemToolbar = function(args, kb) {
	$.extend(this, args);
	var me = this;
	this.make = function() {
		this.wrapper = $a(this.parent, 'div', '', {});
		this.line1 = $a(this.wrapper, 'div', '', {color: '#888', fontSize:'11px', margin:'7px 0px'});
		this.make_timestamp();
		this.make_answers();
		if(this.with_tags)
			this.make_tags();
		this.setup_del();
	}
	
	this.make_timestamp = function() {
		this.line1.innerHTML = repl('By %(name)s | %(when)s', {
			name: wn.user_info(this.det.owner).fullname,
			when: wn.datetime.comment_when(this.det.modified)
		});
		
		// allow system manager to delete questions / answers
		if(has_common(user_roles, ['Administrator', 'System Manager'])) {
			this.line1.innerHTML += ' | <a style="cursor:pointer;"\
				class="del-link">delete</a>';
		}
	}

	this.make_answers = function() {
		if(this.doctype=='Question') {
			if(this.det.answers==0) {
				this.line1.innerHTML += ' | no answers';
			} else if(this.det.answers==1) {
				this.line1.innerHTML += ' | 1 answer';
			} else {
				this.line1.innerHTML += ' | '+this.det.answers+' answers';
			}
		}
	}
	
	this.make_tags = function() {
		this.line1.innerHTML += ' | '
		this.tags_area = $a(this.line1, 'span', 'kb-tags')
		this.tags = new TagList(this.tags_area, 
			this.det._user_tags && (this.det._user_tags.split(',')), 
			this.doctype, this.det.name, 0, kb.set_tag_filter)		
	}

	this.setup_del = function() {
		$(this.line1).find('.del-link').click(function() {
			this.innerHTML = 'deleting...'; 
			this.disabled = 1;
			$c_page('utilities', 'questions', 'delete', {
				dt: me.doctype, dn: me.det.name}, function(r,rt) {
				// reload the list
				kb.list.run()
			});
		});		
	}

	this.make();
}


// displays an editable text,
// needs parent, text, disp_class, inp_class
// dt, dn

EditableText = function(args) {
	$.extend(this, args);
	var me = this;
	
	me.$w = $(repl('<div class="ed-text">\
		<div class="ed-text-display %(disp_class)s"></div>\
		<a class="ed-text-edit" style="cursor: pointer; float: right; margin-top: -16px;">[edit]</a>\
		<textarea class="ed-text-input %(inp_class)s hide"></textarea>\
		<div class="help hide"><br>Formatted as <a href="#markdown-reference"\
		 	target="_blank">markdown</a></div>\
		<button class="btn btn-info hide ed-text-save">Save</button>\
		<a class="ed-text-cancel hide" style="cursor: pointer;">Cancel</a>\
	</div>', args)).appendTo(me.parent);
	
	this.set_display = function(txt) {
		var display_wrapper = me.$w.find('.ed-text-display');
		display_wrapper.html(wn.markdown(txt));
		display_wrapper.find("a").attr("target", "blank");
		me.text = txt;
	}
	
	this.set_display(me.text);
	
	if(me.height) me.$w.find('.ed-text-input').css('height', me.height);
	if(me.width) me.$w.find('.ed-text-input').css('width', me.width);
	
	// edit
	me.$w.find('.ed-text-edit').click(function() {
		me.$w.find('.ed-text-input').val(me.text);
		me.show_as_input();
	})
	
	// save button - save the new text
	me.$w.find('.ed-text-save').click(
		function() {
			var v = me.$w.find('.ed-text-input').val();
			// check if text is written
			if(!v) {
				msgprint('Please write something!');
				return;
			}
			var btn = this;
			$(btn).set_working();
			$c_page('utilities', 'question_view', 'update_item', {
					dt: me.dt, dn: me.dn, fn: me.fieldname, text: v
				}, 
				function(r) {
					$(btn).done_working();
					if(r.exc) {msgprint(r.exc); return; }
					me.set_display(v);
					me.show_as_text();
				});
		}
	)
	

	// cancel button
	me.$w.find('.ed-text-cancel').click(function() {
		me.show_as_text();		
	})

	this.show_as_text = function() {
		me.$w.find('.ed-text-display, .ed-text-edit').toggle(true);
		me.$w.find('.ed-text-input, .ed-text-save, .ed-text-cancel, .help').toggle(false);
	}

	this.show_as_input = function() {
		me.$w.find('.ed-text-display, .ed-text-edit').toggle(false);
		me.$w.find('.ed-text-input, .ed-text-save, .ed-text-cancel, .help').toggle(true);
	}

}