/*
    ***** BEGIN LICENSE BLOCK *****
    
    Copyright © 2009 Center for History and New Media
                     George Mason University, Fairfax, Virginia, USA
                     http://zotero.org
    
    This file is part of Zotero.
    
    Zotero 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.
    
    Zotero 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 Zotero.  If not, see <http://www.gnu.org/licenses/>.
    
    ***** END LICENSE BLOCK *****
*/

//////////////////////////////////////////////////////////////////////////////
//
// Zotero_File_Interface_Bibliography
//
//////////////////////////////////////////////////////////////////////////////

// Class to provide options for bibliography

var Zotero_File_Interface_Bibliography = new function() {
	var _io, _saveStyle;
	
	this.init = init;
	this.styleChanged = styleChanged;
	this.acceptSelection = acceptSelection;
	
	/*
	 * Initialize some variables and prepare event listeners for when chrome is done
	 * loading
	 */
	function init() {
		// Set font size from pref
		// Affects bibliography.xul and integrationDocPrefs.xul
		Zotero.setFontSize(document.documentElement);
		
		if(window.arguments && window.arguments.length) {
			_io = window.arguments[0];
			if(_io.wrappedJSObject) _io = _io.wrappedJSObject;
		} else {
			_io = {};
		}
		
		var listbox = document.getElementById("style-listbox");
		var styles = Zotero.Styles.getVisible();
		
		// if no style is set, get the last style used
		if(!_io.style) {
			_io.style = Zotero.Prefs.get("export.lastStyle");
			_saveStyle = true;
		}
		
		// add styles to list
		var index = 0;
		var nStyles = styles.length;
		var selectIndex = -1;
		for(var i=0; i<nStyles; i++) {
			var itemNode = document.createElement("listitem");
			itemNode.setAttribute("value", styles[i].styleID);
			itemNode.setAttribute("label", styles[i].title);
			listbox.appendChild(itemNode);
			
			if(styles[i].styleID == _io.style) {
				selectIndex = index;
			}
			index++;
		}
		
		if (selectIndex < 1) {
			selectIndex = 0;
		}
		
		// Has to be async to work properly
		setTimeout(function () {
			listbox.ensureIndexIsVisible(selectIndex);
			listbox.selectedIndex = selectIndex;
		});
		
		// ONLY FOR bibliography.xul: export options
		if(document.getElementById("save-as-rtf")) {
			// restore saved bibliographic settings
			document.getElementById('output-radio').selectedItem =
				document.getElementById(Zotero.Prefs.get("export.bibliographySettings"));
		}
		
		// ONLY FOR integrationDocPrefs.xul: update status of displayAs, set
		// bookmarks text
		if(document.getElementById("displayAs")) {
			if(_io.useEndnotes && _io.useEndnotes == 1) document.getElementById("displayAs").selectedIndex = 1;
			styleChanged(selectIndex);
		}		
		if(document.getElementById("formatUsing")) {
			if(_io.fieldType == "Bookmark") document.getElementById("formatUsing").selectedIndex = 1;
			var formatOption = (_io.primaryFieldType == "ReferenceMark" ? "referenceMarks" : "fields");
			document.getElementById("fields").label = Zotero.getString("integration."+formatOption+".label");
			document.getElementById("fields-caption").textContent = Zotero.getString("integration."+formatOption+".caption");
			document.getElementById("fields-file-format-notice").textContent = Zotero.getString("integration."+formatOption+".fileFormatNotice");
			document.getElementById("bookmarks-file-format-notice").textContent = Zotero.getString("integration.fields.fileFormatNotice");
		}
		
		// set style to false, in case this is cancelled
		_io.style = false;
	}
	
	/*
	 * ONLY FOR integrationDocPrefs.xul: called when style is changed
	 */
	function styleChanged(index) {
		// When called from init(), selectedItem isn't yet set
		if (index != undefined) {
			var selectedItem = document.getElementById("style-listbox").getItemAtIndex(index);
		}
		else {
			var selectedItem = document.getElementById("style-listbox").selectedItem;
		}
		
		var selectedStyle = selectedItem.getAttribute('value');
		
		// update status of displayAs box based on style class
		if(document.getElementById("displayAs")) {
			var isNote = Zotero.Styles.get(selectedStyle).class == "note";
			document.getElementById("displayAs").disabled = !isNote;
		}
		
		// update status of formatUsing box based on style class
		if(document.getElementById("formatUsing")) {
			if(isNote) document.getElementById("formatUsing").selectedIndex = 0;
			document.getElementById("bookmarks").disabled = isNote;
			document.getElementById("bookmarks-caption").disabled = isNote;
		}
	}

	function acceptSelection() {
		// collect code
		_io.style = document.getElementById("style-listbox").selectedItem.value;
		if(document.getElementById("output-radio")) {
			// collect settings
			_io.output = document.getElementById("output-radio").selectedItem.id;
			// save settings
			Zotero.Prefs.set("export.bibliographySettings", _io.output);
		}
		
		// ONLY FOR integrationDocPrefs.xul: collect displayAs
		if(document.getElementById("displayAs")) {
			_io.useEndnotes = document.getElementById("displayAs").selectedIndex;
			_io.fieldType = (document.getElementById("formatUsing").selectedIndex == 0 ? _io.primaryFieldType : _io.secondaryFieldType);
		}
		
		// save style (this happens only for "Export Bibliography," or Word
		// integration when no bibliography style was previously selected)
		if(_saveStyle) {
			Zotero.Prefs.set("export.lastStyle", _io.style);
		}
	}
}