1 /* vim: set expandtab sw=4 ts=4 sts=4: */
3 * @fileoverview function used in this file builds history tab and generates query.
10 var history_array = []; // Global array to store history objects
11 var select_field = []; // Global array to store informaation for columns which are used in select clause
15 * function for panel, hides and shows toggle_container <div>,which is for history elements uses {@link JQuery}.
17 * @param index has value 1 or 0,decides wheter to hide toggle_container on load.
23 $(".toggle_container").hide();
25 $("h2.tiger").click(function(){
26 $(this).toggleClass("active").next().slideToggle("slow");
31 * Sorts history_array[] first,using table name as the key and then generates the HTML code for history tab,
32 * clubbing all objects of same tables together
33 * This function is called whenever changes are made in history_array[]
36 * @uses history_edit()
37 * @uses history_delete()
39 * @param {int} init starting index of unsorted array
40 * @param {int} finit last index of unsorted array
44 function display(init,finit)
47 // this part sorts the history array based on table name,this is needed for clubbing all object of same name together.
48 for (i = init;i < finit;i++) {
49 sto = history_array[i];
50 var temp = history_array[i].get_tab() ;//+ '.' + history_array[i].get_obj_no(); for Self JOINS
52 if(temp > (history_array[j].get_tab())) {//+ '.' + history_array[j].get_obj_no())) { //for Self JOINS
53 for(k = i;k > j;k--) {
54 history_array[k] = history_array[k-1];
56 history_array[j] = sto;
61 // this part generates HTML code for history tab.adds delete,edit,and/or and detail features with objects.
62 str =''; // string to store Html code for history tab
63 for ( var i=0; i < history_array.length; i++){
64 var temp = history_array[i].get_tab(); //+ '.' + history_array[i].get_obj_no(); for Self JOIN
65 str += '<h2 class="tiger"><a href="#">' + temp + '</a></h2>';
66 str += '<div class="toggle_container">\n';
67 while((history_array[i].get_tab()) == temp) { //+ '.' + history_array[i].get_obj_no()) == temp) {
68 str +='<div class="block"> <table width ="250">';
69 str += '<thead><tr><td>';
70 if(history_array[i].get_and_or()){
71 str +='<img src="pmd/images/or_icon.png" onclick="and_or('+i+')" title="OR"/></td>';
74 str +='<img src="pmd/images/and_icon.png" onclick="and_or('+i+')" title="AND"/></td>';
76 str +='<td style="padding-left: 5px;" align="right"><img class="icon ic_b_sbrowse" src="themes/dot.gif" title="column name"/></td><td width="175" style="padding-left: 5px">' + history_array[i].get_column_name();
77 if (history_array[i].get_type() == "GroupBy" || history_array[i].get_type() == "OrderBy") {
78 str += '</td><td align="center"><img class="icon ic_b_info" src="themes/dot.gif" title="'+detail(i)+'"/><td title="' + detail(i) +'">' + history_array[i].get_type() + '</td></td><td onmouseover="this.className=\'history_table\';" onmouseout="this.className=\'history_table2\'" onclick=history_delete('+ i +')><img class="icon ic_b_drop" src="themes/dot.gif" title="Delete"></td></tr></thead>';
81 str += '</td><td align="center"><img class="icon ic_b_info" src="themes/dot.gif" title="'+detail(i)+'"/></td><td title="' + detail(i) +'">' + history_array[i]. get_type() + '</td><td <td onmouseover="this.className=\'history_table\';" onmouseout="this.className=\'history_table2\'" onclick=history_edit('+ i +')><img class="icon ic_b_edit" src="themes/dot.gif" title="Edit"/></td><td onmouseover="this.className=\'history_table\';" onmouseout="this.className=\'history_table2\'" onclick=history_delete('+ i +')><img src="themes/original/img/b_drop.png" title="Delete"></td></tr></thead>';
84 if(i >= history_array.length) {
87 str += '</table></div><br/>';
96 * To change And/Or relation in history tab
100 * @param {int} index of history_array where change is to be made
104 function and_or(index)
106 if (history_array[index].get_and_or()) {
107 history_array[index].set_and_or(0);
110 history_array[index].set_and_or(1);
112 var existingDiv = document.getElementById('ab');
113 existingDiv.innerHTML = display(0,0);
118 * To display details of obects(where,rename,Having,aggregate,groupby,orderby,having)
120 * @param index index of history_array where change is to be made
124 function detail (index)
126 var type = history_array[index].get_type();
128 if (type == "Where") {
129 str = 'Where ' + history_array[index].get_column_name() + history_array[index].get_obj().getrelation_operator() + history_array[index].get_obj().getquery();
131 if (type == "Rename") {
132 str = 'Rename ' + history_array[index].get_column_name() + ' To ' + history_array[index].get_obj().getrename_to();
134 if (type == "Aggregate") {
135 str = 'Select ' + history_array[index].get_obj().get_operator() + '( ' + history_array[index].get_column_name() + ' )';
137 if (type == "GroupBy") {
138 str = 'GroupBy ' + history_array[index].get_column_name() ;
140 if (type == "OrderBy") {
141 str = 'OrderBy ' + history_array[index].get_column_name() ;
143 if (type == "Having") {
145 if (history_array[index].get_obj().get_operator() != 'None') {
146 str += history_array[index].get_obj().get_operator() + '( ' + history_array[index].get_column_name() + ' )';
147 str += history_array[index].get_obj().getrelation_operator() + history_array[index].get_obj().getquery();
150 str = 'Having ' + history_array[index].get_column_name() + history_array[index].get_obj().getrelation_operator() + history_array[index].get_obj().getquery();
157 * Deletes entry in history_array
161 * @param index index of history_array[] which is to be deleted
165 function history_delete(index)
167 for(var k =0 ;k < from_array.length;k++){
168 if(from_array[k] == history_array[index].get_tab()){
169 from_array.splice(k,1);
173 history_array.splice(index,1);
174 var existingDiv = document.getElementById('ab');
175 existingDiv.innerHTML = display(0,0);
180 * To show where,rename,aggregate,having forms to edit a object
182 * @param{int} index index of history_array where change is to be made
186 function history_edit(index)
189 var type = history_array[index].get_type();
190 if (type == "Where") {
191 document.getElementById('eQuery').value = history_array[index].get_obj().getquery();
192 document.getElementById('erel_opt').value = history_array[index].get_obj().getrelation_operator();
193 document.getElementById('query_where').style.left = '530px';
194 document.getElementById('query_where').style.top = '130px';
195 document.getElementById('query_where').style.position = 'absolute';
196 document.getElementById('query_where').style.zIndex = '9';
197 document.getElementById('query_where').style.visibility = 'visible';
199 if (type == "Having") {
200 document.getElementById('hQuery').value = history_array[index].get_obj().getquery();
201 document.getElementById('hrel_opt').value = history_array[index].get_obj().getrelation_operator();
202 document.getElementById('hoperator').value = history_array[index].get_obj().get_operator();
203 document.getElementById('query_having').style.left = '530px';
204 document.getElementById('query_having').style.top = '130px';
205 document.getElementById('query_having').style.position = 'absolute';
206 document.getElementById('query_having').style.zIndex = '9';
207 document.getElementById('query_having').style.visibility = 'visible';
209 if (type == "Rename") {
210 document.getElementById('query_rename_to').style.left = '530px';
211 document.getElementById('query_rename_to').style.top = '130px';
212 document.getElementById('query_rename_to').style.position = 'absolute';
213 document.getElementById('query_rename_to').style.zIndex = '9';
214 document.getElementById('query_rename_to').style.visibility = 'visible';
216 if (type == "Aggregate") {
217 document.getElementById('query_Aggregate').style.left = '530px';
218 document.getElementById('query_Aggregate').style.top = '130px';
219 document.getElementById('query_Aggregate').style.position = 'absolute';
220 document.getElementById('query_Aggregate').style.zIndex = '9';
221 document.getElementById('query_Aggregate').style.visibility = 'visible';
226 * Make changes in history_array when Edit button is clicked
227 * checks for the type of object and then sets the new value
231 * @param index index of history_array where change is to be made
236 if (type == "Rename") {
237 if (document.getElementById('e_rename').value != "") {
238 history_array[g_index].get_obj().setrename_to(document.getElementById('e_rename').value);
239 document.getElementById('e_rename').value = "";
241 document.getElementById('query_rename_to').style.visibility = 'hidden';
243 if (type == "Aggregate") {
244 if (document.getElementById('e_operator').value != '---') {
245 history_array[g_index].get_obj().set_operator(document.getElementById('e_operator').value);
246 document.getElementById('e_operator').value = '---';
248 document.getElementById('query_Aggregate').style.visibility = 'hidden';
250 if (type == "Where") {
251 if (document.getElementById('erel_opt').value != '--' && document.getElementById('eQuery').value !="") {
252 history_array[g_index].get_obj().setquery(document.getElementById('eQuery').value);
253 history_array[g_index].get_obj().setrelation_operator(document.getElementById('erel_opt').value);
255 document.getElementById('query_where').style.visibility = 'hidden';
257 if (type == "Having") {
258 if (document.getElementById('hrel_opt').value != '--' && document.getElementById('hQuery').value !="") {
259 history_array[g_index].get_obj().setquery(document.getElementById('hQuery').value);
260 history_array[g_index].get_obj().setrelation_operator(document.getElementById('hrel_opt').value);
261 history_array[g_index].get_obj().set_operator(document.getElementById('hoperator').value);
263 document.getElementById('query_having').style.visibility = 'hidden';
265 var existingDiv = document.getElementById('ab');
266 existingDiv.innerHTML = display(0,0);
271 * history object closure
273 * @param ncolumn_name name of the column on which conditions are put
274 * @param nobj object details(where,rename,orderby,groupby,aggregate)
275 * @param ntab table name of the column on which conditions are applied
276 * @param nobj_no object no used for inner join
277 * @param ntype type of object
281 function history(ncolumn_name,nobj,ntab,nobj_no,ntype)
289 this.set_column_name = function (ncolumn_name) {
290 column_name = ncolumn_name;
292 this.get_column_name = function() {
295 this.set_and_or = function(nand_or) {
298 this.get_and_or = function() {
301 this.get_relation = function() {
304 this.set_obj = function(nobj) {
307 this.get_obj = function() {
310 this.set_tab = function(ntab) {
313 this.get_tab = function() {
316 this.set_obj_no = function(nobj_no) {
319 this.get_obj_no = function() {
322 this.set_type = function(ntype) {
325 this.get_type = function() {
328 this.set_obj_no(nobj_no);
332 this.set_column_name(ncolumn_name);
333 this.set_type(ntype);
337 * where object closure, makes an object with all information of where
339 * @param nrelation_operator type of relation operator to be applied
340 * @param nquery stores value of value/sub-query
345 var where = function (nrelation_operator,nquery) {
346 var relation_operator;
348 this.setrelation_operator = function(nrelation_operator) {
349 relation_operator = nrelation_operator;
351 this.setquery = function(nquery) {
354 this.getquery = function() {
357 this.getrelation_operator = function() {
358 return relation_operator;
360 this.setquery(nquery);
361 this.setrelation_operator(nrelation_operator);
366 * Having object closure, makes an object with all information of where
368 * @param nrelation_operator type of relation operator to be applied
369 * @param nquery stores value of value/sub-query
373 var having = function (nrelation_operator,nquery,noperator) {
374 var relation_operator;
377 this.set_operator = function(noperator) {
378 operator = noperator;
380 this.setrelation_operator = function(nrelation_operator) {
381 relation_operator = nrelation_operator;
383 this.setquery = function(nquery) {
386 this.getquery = function() {
389 this.getrelation_operator = function() {
390 return relation_operator;
392 this.get_operator = function() {
395 this.setquery(nquery);
396 this.setrelation_operator(nrelation_operator);
397 this.set_operator(noperator);
401 * rename object closure,makes an object with all information of rename
403 * @param nrename_to new name information
407 var rename = function(nrename_to) {
409 this.setrename_to = function(nrename_to) {
410 rename_to = nrename_to;
412 this.getrename_to =function() {
415 this.setrename_to(nrename_to);
419 * aggregate object closure
421 * @param noperator aggregte operator
425 var aggregate = function(noperator) {
427 this.set_operator = function(noperator) {
428 operator = noperator;
430 this.get_operator = function() {
433 this.set_operator(noperator);
437 * This function returns unique element from an array
439 * @param arraName array from which duplicate elem are to be removed.
440 * @return unique array
443 function unique(arrayName)
445 var newArray=new Array();
446 label:for(var i=0; i<arrayName.length;i++ )
448 for(var j=0; j<newArray.length;j++ )
450 if(newArray[j]==arrayName[i])
453 newArray[newArray.length] = arrayName[i];
459 * This function takes in array and a value as input and returns 1 if values is present in array
462 * @param arrayName array
463 * @param value value which is to be searched in the array
466 function found(arrayName,value)
468 for(var i=0; i<arrayName.length; i++) {
469 if(arrayName[i] == value) { return 1;}
475 * This function is the main function for query building.
476 * uses history object details for this.
478 * @ uses query_where()
479 * @ uses query_groupby()
480 * @ uses query_having()
481 * @ uses query_orderby()
483 * @param formtitle title for the form
487 function build_query(formtitle, fadin)
489 var q_select = "SELECT ";
491 for (i = 0;i < select_field.length; i++) {
492 temp = check_aggregate(select_field[i]);
495 temp = check_rename(select_field[i]);
496 q_select += temp + ",";
499 temp = check_rename(select_field[i]);
500 q_select += select_field[i] + temp +",";
503 q_select = q_select.substring(0,q_select.length - 1);
504 q_select += " FROM " + query_from();
505 if(query_where() != "") {
506 q_select +="\n WHERE";
507 q_select += query_where();
509 if(query_groupby() != "") { q_select += "\nGROUP BY " + query_groupby(); }
510 if(query_having() != "") { q_select += "\nHAVING " + query_having(); }
511 if(query_orderby() != "") { q_select += "\nORDER BY " + query_orderby(); }
512 var box = document.getElementById('box');
513 document.getElementById('filter').style.display='block';
514 var btitle = document.getElementById('boxtitle');
515 btitle.innerHTML = 'SELECT';//formtitle;
521 box.style.display='block';
523 document.getElementById('textSqlquery').innerHTML = q_select;
526 * This function builds from clause of query
527 * makes automatic joins.
536 function query_from()
548 t_array = from_array;
550 for (i = 0; i < history_array.length ; i++) {
551 from_array.push(history_array[i].get_tab());
553 from_array = unique( from_array );
554 tab_left = from_array;
555 temp = tab_left.shift();
558 // if master table (key2) matches with tab used get all keys and check if tab_left matches
559 //after this check if master table (key2) matches with tab left then check if any foriegn matches with master .
560 for( i =0; i<2 ; i++) {
562 for (key in contr[K]){// contr name
563 for (key2 in contr[K][key]){// table name
564 parts = key2.split(".");
565 if(found(tab_used,parts[1]) > 0) {
566 for (key3 in contr[K][key][key2]) {
567 parts1 = contr[K][key][key2][key3][0].split(".");
568 if(found(tab_left,parts1[1]) > 0) {
569 query += "\n" + 'LEFT JOIN ';
570 query += '`' + parts1[0] + '`.`' + parts1[1] + '` ON ' ;
571 query += '`' + parts[1] +'`.`' + key3 + '` = ';
572 query += '`' + parts1[1] + '`.`' + contr[K][key][key2][key3][1] + '` ';
573 t_tab_left.push(parts1[1]);
581 t_tab_left = unique (t_tab_left);
582 tab_used = add_array(t_tab_left,tab_used);
583 tab_left = remove_array(t_tab_left,tab_left);
586 for (key in contr[K]) {
587 for (key2 in contr[K][key]){// table name
588 parts = key2.split(".");
589 if(found(tab_left,parts[1]) > 0){
590 for (key3 in contr[K][key][key2]){
591 parts1 = contr[K][key][key2][key3][0].split(".");
592 if(found(tab_used,parts1[1]) > 0) {
593 query += "\n" + 'LEFT JOIN ';
594 query += '`' + parts[0] + '`.`' + parts[1] + '` ON ' ;
595 query += '`' + parts1[1] + '`.`' + contr[K][key][key2][key3][1] + '` = ';
596 query += '`' + parts[1] + '`.`' + key3 + '` ';
597 t_tab_left.push(parts[1]);
604 t_tab_left = unique (t_tab_left);
605 tab_used = add_array(t_tab_left,tab_used);
606 tab_left = remove_array(t_tab_left,tab_left);
609 for (k in tab_left) {
610 quer += " , `" + tab_left[k] + "`";
612 query = quer + query;
613 from_array = t_array;
618 * This function concatenates two array
620 * @params add array elements of which are pushed in
621 * @params arr array in which elemnets are added
623 function add_array(add,arr)
625 for( var i=0; i<add.length; i++){
631 /* This fucntion removes all elements present in one array from the other.
633 * @params rem array from which each element is removed from other array.
634 * @params arr array from which elements are removed.
637 function remove_array(rem,arr)
639 for(var i=0; i<rem.length; i++){
640 for(var j=0; j<arr.length; j++)
641 if(rem[i] == arr[j]) { arr.splice(j,1); }
647 * This function builds the groupby clause from history object
651 function query_groupby()
655 for (i = 0; i < history_array.length;i++) {
656 if(history_array[i].get_type() == "GroupBy") { str +=history_array[i].get_column_name() + ", ";}
658 str = str.substr(0,str.length -1);
663 * This function builds the Having clause from the history object.
667 function query_having()
671 for (i = 0; i < history_array.length;i++) {
672 if(history_array[i].get_type() == "Having") {
673 if (history_array[i].get_obj().get_operator() != 'None') {
674 and += history_array[i].get_obj().get_operator() + "(" + history_array[i].get_column_name() + " ) " + history_array[i].get_obj().getrelation_operator();
675 and += " " + history_array[i].get_obj().getquery() + ", " ;
678 and += history_array[i].get_column_name() + " " + history_array[i].get_obj().getrelation_operator() + " " + history_array[i].get_obj().getquery() + ", ";
682 if (and =="(") { and = "" ;}
683 else { and = and.substr(0,and.length -2) + ")";}
689 * This function builds the orderby clause from the history object.
693 function query_orderby()
697 for (i = 0; i < history_array.length;i++) {
698 if(history_array[i].get_type() == "OrderBy") { str += history_array[i].get_column_name() + " , "; }
700 str = str.substr(0,str.length -1);
706 * This function builds the Where clause from the history object.
710 function query_where()
715 for (i = 0; i < history_array.length;i++) {
716 if(history_array[i].get_type() == "Where") {
717 if(history_array[i].get_and_or() == 0) {
718 and += "( " + history_array[i].get_column_name() + " " + history_array[i].get_obj().getrelation_operator() +" " + history_array[i].get_obj().getquery() + ")"; and += " AND ";
721 or +="( " + history_array[i].get_column_name() + " " + history_array[i].get_obj().getrelation_operator() + " " + history_array[i].get_obj().getquery() +")";
727 or = or.substring(0,(or.length - 4 )) + ")";
732 and = and.substring(0,(and.length - 5)) + ")";
737 and = and + " OR " + or + " )";
742 function check_aggregate(id_this)
745 for (i = 0;i < history_array.length;i++) {
746 var temp = '`' + history_array[i].get_tab() + '`.`' +history_array[i].get_column_name() +'`';
747 if(temp == id_this && history_array[i].get_type() == "Aggregate") {
748 return history_array[i].get_obj().get_operator() + '(' + id_this +')';
754 function check_rename(id_this)
757 for (i = 0;i < history_array.length;i++) {
758 var temp = '`' + history_array[i].get_tab() + '`.`' +history_array[i].get_column_name() +'`';
759 if(temp == id_this && history_array[i].get_type() == "Rename") {
760 return " AS `" + history_array[i].get_obj().getrename_to() +"`";
766 function gradient(id, level)
768 var box = document.getElementById(id);
769 box.style.opacity = level;
770 box.style.MozOpacity = level;
771 box.style.KhtmlOpacity = level;
772 box.style.filter = "alpha(opacity=" + level * 100 + ")";
773 box.style.display="block";
782 setTimeout( "gradient('" + id + "'," + level + ")", (level* 1000) + 10);
789 document.getElementById('box').style.display='none';
790 document.getElementById('filter').style.display='none';