Reworked search

Still has tentacles and should have been integrated into the existing
API/Browse implementation better, but it's functional.

lib/javascript/search.js

@@ -0,0 +1,168 @@
+// vim:set tabstop=8 softtabstop=8 shiftwidth=8 noexpandtab: 
+//
+// Copyright (c) Ampache.org
+// All rights reserved.
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License v2
+// as published by the Free Software Foundation.
+// 
+//
+// 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, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+var rowIter = 1;
+var rowCount = 0;
+
+var SearchRow = {
+	add: function(ruleType, operator, input) {
+		if (typeof(ruleType) != 'string') {
+			ruleType = 0;
+		}
+		else {
+			types.each(function(i) {
+				if (i.value.name == ruleType) {
+					ruleType = i.key;
+					throw $break;
+				}
+			});
+		}
+
+		if (typeof(operator) != 'string') {
+			operator = 0;
+		}
+		else {
+			$H(basetypes.get(types.get(ruleType).type)).each(function(i) {
+				if (i.value.name == operator) {
+					operator = i.key;
+					throw $break;
+				}
+			});
+		}
+
+		var row = document.createElement('tr');
+		var cells = new Array();
+		for (var i = 0 ; i < 5 ; i++) {
+			cells[i] = document.createElement('td');
+		}
+		
+		cells[0].appendChild(SearchRow.constructOptions(ruleType, rowIter));
+		cells[1].appendChild(SearchRow.constructOperators(ruleType, rowIter, operator));
+		cells[2].appendChild(SearchRow.constructInput(ruleType, rowIter, input));
+		cells[3].innerHTML = removeIcon;
+
+		cells.each(function(i) {
+			row.appendChild(i);
+		});
+
+		$('searchtable').appendChild(row);
+		rowCount++;
+
+		Event.observe(cells[3], 'click', function(e){if(rowCount > 1) { Element.remove(this.parentNode); rowCount--; }});
+
+		rowIter++;
+	}, 
+	constructInput: function(ruleType, ruleNumber, input) {
+		if (input === null || input === undefined) {
+			input = '';
+		}
+
+		widget = $H(types.get(ruleType).widget);
+
+		var inputNode  = document.createElement(widget.get('0'));
+		inputNode.id   = 'rule_' + ruleNumber + '_input';
+		inputNode.name = 'rule_' + ruleNumber + '_input';
+
+		switch(widget.get('0')) {
+			case 'input':
+				inputNode.setAttribute('type', widget.get('1'));
+				inputNode.setAttribute('value', input);
+			break;
+			case 'select':
+				$H(widget.get('1')).each(function(i) {
+					var option = document.createElement('option');
+					if ( isNaN(parseInt(i.value)) ) {
+						realvalue = i.key;
+					}
+					else {
+						realvalue = parseInt(i.value);
+					}
+					if ( input == realvalue ) {
+						option.selected = true;
+					}
+					option.value = realvalue;
+					option.innerHTML = i.value;
+					inputNode.appendChild(option);
+				});
+			break;
+		}
+
+		return inputNode;
+	},
+	constructOptions: function(ruleType, ruleNumber) {
+		var optionsNode  = document.createElement('select');
+		optionsNode.id   = 'rule_' + ruleNumber;
+		optionsNode.name = 'rule_' + ruleNumber;
+
+		types.each(function(i) {
+			var option = document.createElement('option');
+			option.innerHTML = i.value.label;
+			option.value = i.value.name;
+			if ( i.key == ruleType ) {
+				option.selected = true;
+			}
+			optionsNode.appendChild(option);
+		});
+
+		Event.observe(optionsNode, 'change', SearchRow.update);
+
+		return optionsNode;
+	},
+	constructOperators: function(ruleType, ruleNumber, operator) {
+		var operatorNode	= document.createElement('select');
+		operatorNode.id		= 'rule_' + ruleNumber + '_operator';
+		operatorNode.name	= 'rule_' + ruleNumber + '_operator';
+
+		basetype = types.get(ruleType).type;
+		operatorNode.className	= 'operator' + basetype;
+
+		$H(basetypes.get(basetype)).each(function(i) {
+			var option = document.createElement('option');
+			option.innerHTML = i.value.description;
+			option.value = i.key;
+			if (i.key == operator) {
+				option.selected = true;
+			}
+			operatorNode.appendChild(option);
+		});
+
+		return operatorNode;
+	},
+	update: function() {
+		var r_findID = /rule_(\d+)/;
+		var targetID = r_findID.exec(this.id)[1];
+
+		var operator = $('rule_' + targetID + '_operator');
+		if (operator.className != 'operator' + types.get(this.selectedIndex).type) {
+			var operator_cell = operator.parentNode;
+			Element.remove(operator);
+			operator_cell.appendChild(SearchRow.constructOperators(this.selectedIndex, targetID));
+		}
+
+		var input = $('rule_' + targetID + '_input');
+
+		if (input.type == 'text') {
+			var oldinput = input.value;
+		}
+
+		var input_cell = input.parentNode;
+		Element.remove(input);
+		input_cell.appendChild(SearchRow.constructInput(this.selectedIndex, targetID, oldinput));
+	}
+};