0774730fb314a4fa84faaf6fb60bf5f679618723 kent Tue Mar 10 17:43:16 2015 -0700 Adding up or down arrow after a column we sort on. diff --git src/hg/lib/tablesTables.c src/hg/lib/tablesTables.c index 738b9ab..6e3ace8 100644 --- src/hg/lib/tablesTables.c +++ src/hg/lib/tablesTables.c @@ -1,437 +1,451 @@ /* tablesTables - this module deals with two types of tables SQL tables in a database, * and fieldedTable objects in memory. It has routines to do sortable, filterable web * displays on tables. */ #include "common.h" #include "hash.h" #include "obscure.h" #include "linefile.h" #include "jksql.h" #include "jsHelper.h" #include "sqlSanity.h" #include "fieldedTable.h" #include "cheapcgi.h" #include "web.h" #include "cart.h" #include "tablesTables.h" struct fieldedTable *fieldedTableFromDbQuery(struct sqlConnection *conn, char *query) /* Return fieldedTable from a database query */ { struct sqlResult *sr = sqlGetResult(conn, query); char **fields; int fieldCount = sqlResultFieldArray(sr, &fields); struct fieldedTable *table = fieldedTableNew(query, fields, fieldCount); char **row; int i = 0; while ((row = sqlNextRow(sr)) != NULL) fieldedTableAdd(table, row, fieldCount, ++i); sqlFreeResult(&sr); return table; } static void showTableFilterInstructionsEtc(struct fieldedTable *table, char *itemPlural, struct fieldedTableSegment *largerContext) /* Print instructional text, and basic summary info on who passes filter, and a submit * button just in case user needs it */ { /* Print info on matching */ int matchCount = slCount(table->rowList); if (largerContext != NULL) // Need to page? matchCount = largerContext->tableSize; printf(" %d %s found. ", matchCount, itemPlural); cgiMakeButton("submit", "update"); printf("<BR>\n"); printf("First row of table below can filter. "); printf("Wildcard * and ? characters are allowed in text filters. "); printf(">min or <max, is allowed in numerical fields.<BR>\n"); } static void printSuggestScript(char *id, struct slName *suggestList) /* Print out a little javascript to wrap auto-suggester around control with given ID */ { printf("<script>\n"); printf("$(document).ready(function() {\n"); printf(" $('#%s').autocomplete({\n", id); printf(" delay: 100,\n"); printf(" minLength: 0,\n"); printf(" source: ["); char *separator = ""; struct slName *suggest; for (suggest = suggestList; suggest != NULL; suggest = suggest->next) { printf("%s\"%s\"", separator, suggest->name); separator = ","; } printf("]\n"); printf(" });\n"); printf("});\n"); printf("</script>\n"); } static void printWatermark(char *id, char *watermark) /* Print light text filter prompt as watermark. */ { printf("<script>\n"); printf("$(function() {\n"); printf(" $('#%s').watermark(\"%s\");\n", id, watermark); printf("});\n"); printf("</script>\n"); } static void showTableFilterControlRow(struct fieldedTable *table, struct cart *cart, char *varPrefix, int maxLenField, struct hash *suggestHash) /* Assuming we are in table already drow control row. * The suggestHash is keyed by field name. If something is there we'll assume * it's value is slName list of suggestion values */ { /* Include javascript and style we need */ webIncludeResourceFile("jquery-ui.css"); jsIncludeFile("jquery.js", NULL); jsIncludeFile("jquery.plugins.js", NULL); jsIncludeFile("jquery-ui.js", NULL); jsIncludeFile("jquery.watermark.js", NULL); int i; printf("<TR>"); for (i=0; i<table->fieldCount; ++i) { char *field = table->fields[i]; char varName[256]; safef(varName, sizeof(varName), "%s_f_%s", varPrefix, field); webPrintLinkCellStart(); #ifdef MAKES_TOO_WIDE /* Print out input control. As you can see from all the commented out bits * this part has been a challenge. We'd like to make the input cell fit the * table size, but if we do it with style it makes whole table wider. */ char *oldVal = cartUsualString(cart, varName, ""); printf("<input type=\"text\" name=\"%s\" style=\"display:table-cell; width=100%%\"" " value=\"%s\">", varName, oldVal); #endif /* MAKES_TOO_WIDE */ /* Approximate size of input control in characters */ int size = fieldedTableMaxColChars(table, i); if (size > maxLenField) size = maxLenField; #ifdef ACTUALLY_WORKS /* This way does work last I checked and is just a line of code. * Getting an id= property on the input tag though isn't possible this way. */ cartMakeTextVar(cart, varName, "", size + 1); #endif /* Print input control getting previous value from cart. Set an id= * so auto-suggest can find this control. */ char *oldVal = cartUsualString(cart, varName, ""); printf("<INPUT TYPE=TEXT NAME=\"%s\" id=\"%s\" SIZE=%d VALUE=\"%s\">\n", varName, varName, size+1, oldVal); /* Write out javascript to initialize autosuggest on control */ printWatermark(varName, " filter "); if (suggestHash != NULL) { struct slName *suggestList = hashFindVal(suggestHash, field); if (suggestList != NULL) { printSuggestScript(varName, suggestList); } } webPrintLinkCellEnd(); } printf("</TR>"); } static void showTableSortingLabelRow(struct fieldedTable *table, struct cart *cart, char *varPrefix, char *returnUrl) /* Put up the label row with sorting fields attached. ALso actually sort table. */ { /* Get order var */ char orderVar[256]; safef(orderVar, sizeof(orderVar), "%s_order", varPrefix); char *orderFields = cartUsualString(cart, orderVar, ""); char pageVar[64]; safef(pageVar, sizeof(pageVar), "%s_page", varPrefix); /* Print column labels */ int i; for (i=0; i<table->fieldCount; ++i) { webPrintLabelCellStart(); printf("<A class=\"topbar\" HREF=\""); printf("%s", returnUrl); printf("&%s=1", pageVar); printf("&%s=", orderVar); char *field = table->fields[i]; if (!isEmpty(orderFields) && sameString(orderFields, field)) printf("-"); printf("%s", field); printf("\">"); printf("%s", field); + if (!isEmpty(orderFields)) + { + char *s = orderFields; + boolean isRev = (s[0] == '-'); + if (isRev) + ++s; + if (sameString(field, s)) + { + if (isRev) + printf("↑"); + else + printf("↓"); + } + } printf("</A>"); webPrintLabelCellEnd(); } /* Sort on field */ if (!isEmpty(orderFields)) { boolean doReverse = FALSE; char *field = orderFields; if (field[0] == '-') { field += 1; doReverse = TRUE; } fieldedTableSortOnField(table, field, doReverse); } } static void showTableDataRows(struct fieldedTable *table, int pageSize, int maxLenField, struct hash *tagOutputWrappers, void *wrapperContext) /* Render data rows into HTML */ { int count = 0; struct fieldedRow *row; for (row = table->rowList; row != NULL; row = row->next) { if (++count > pageSize) break; printf("<TR>\n"); int fieldIx = 0; for (fieldIx=0; fieldIx<table->fieldCount; ++fieldIx) { char shortVal[maxLenField+1]; char *longVal = emptyForNull(row->row[fieldIx]); char *val = longVal; int valLen = strlen(val); if (maxLenField > 0 && maxLenField < valLen) { if (valLen > maxLenField) { memcpy(shortVal, val, maxLenField-3); shortVal[maxLenField-3] = 0; strcat(shortVal, "..."); val = shortVal; } } webPrintLinkCellStart(); boolean printed = FALSE; if (tagOutputWrappers != NULL && !isEmpty(val)) { char *field = table->fields[fieldIx]; webTableOutputWrapperType *printer = hashFindVal(tagOutputWrappers, field); if (printer != NULL) { printer(table, row, field, longVal, val, wrapperContext); printed = TRUE; } } if (!printed) printf("%s", val); webPrintLinkCellEnd(); } printf("</TR>\n"); } } static void showTablePaging(struct fieldedTable *table, struct cart *cart, char *varPrefix, struct fieldedTableSegment *largerContext, int pageSize) /* If larger context exists and is bigger than current display, then draw paging controls. */ { /* Handle paging if any */ if (largerContext != NULL) // Need to page? { if (pageSize < largerContext->tableSize) { int curPage = largerContext->tableOffset/pageSize; int totalPages = (largerContext->tableSize + pageSize - 1)/pageSize; printf("Displaying page "); char pageVar[64]; safef(pageVar, sizeof(pageVar), "%s_page", varPrefix); cgiMakeIntVar(pageVar, curPage+1, 3); printf(" of %d", totalPages); } } } void webFilteredFieldedTable(struct cart *cart, struct fieldedTable *table, char *returnUrl, char *varPrefix, int maxLenField, struct hash *tagOutputWrappers, void *wrapperContext, boolean withFilters, char *itemPlural, int pageSize, struct fieldedTableSegment *largerContext, struct hash *suggestHash) /* Show a fielded table that can be sorted by clicking on column labels and optionally * that includes a row of filter controls above the labels . * The maxLenField is maximum character length of field before truncation with ... * Pass in 0 for no max */ { if (strchr(returnUrl, '?') == NULL) errAbort("Expecting returnUrl to include ? in showFieldedTable\nIt's %s", returnUrl); if (withFilters) showTableFilterInstructionsEtc(table, itemPlural, largerContext); /* Set up our table within table look. */ webPrintLinkTableStart(); /* Draw optional filters cells ahead of column labels*/ if (withFilters) showTableFilterControlRow(table, cart, varPrefix, maxLenField, suggestHash); showTableSortingLabelRow(table, cart, varPrefix, returnUrl); showTableDataRows(table, pageSize, maxLenField, tagOutputWrappers, wrapperContext); /* Get rid of table within table look */ webPrintLinkTableEnd(); if (largerContext != NULL) showTablePaging(table, cart, varPrefix, largerContext, pageSize); } void webSortableFieldedTable(struct cart *cart, struct fieldedTable *table, char *returnUrl, char *varPrefix, int maxLenField, struct hash *tagOutputWrappers, void *wrapperContext) /* Display all of table including a sortable label row. The tagOutputWrappers * is an optional way to enrich output of specific columns of the table. It is keyed * by column name and has for values functions of type webTableOutputWrapperType. */ { webFilteredFieldedTable(cart, table, returnUrl, varPrefix, maxLenField, tagOutputWrappers, wrapperContext, FALSE, NULL, slCount(table->rowList), NULL, NULL); } void webFilteredSqlTable(struct cart *cart, struct sqlConnection *conn, char *fields, char *from, char *initialWhere, char *returnUrl, char *varPrefix, int maxFieldWidth, struct hash *tagOutWrappers, void *wrapperContext, boolean withFilters, char *itemPlural, int pageSize, struct hash *suggestHash) /* Given a query to the database in conn that is basically a select query broken into * separate clauses, construct and display an HTML table around results. This HTML table has * column names that will sort the table, and optionally (if withFilters is set) * it will also allow field-by-field wildcard queries on a set of controls it draws above * the labels. * Much of the functionality rests on the call to webFilteredFieldedTable. This function * does the work needed to bring in sections of potentially huge results sets into * the fieldedTable. */ { /* Construct select, from and where clauses in query, keeping an additional copy of where */ struct dyString *query = dyStringNew(0); struct dyString *where = dyStringNew(0); struct slName *field, *fieldList = commaSepToSlNames(fields); boolean gotWhere = FALSE; sqlDyStringPrintf(query, "%s", ""); // TODO check with Galt on how to get reasonable checking back. dyStringPrintf(query, "select %s from %s", fields, from); if (!isEmpty(initialWhere)) { dyStringPrintf(where, " where "); sqlSanityCheckWhere(initialWhere, where); gotWhere = TRUE; } /* If we're doing filters, have to loop through the row of filter controls */ if (withFilters) { for (field = fieldList; field != NULL; field = field->next) { char varName[128]; safef(varName, sizeof(varName), "%s_f_%s", varPrefix, field->name); char *val = trimSpaces(cartUsualString(cart, varName, "")); if (!isEmpty(val)) { if (gotWhere) dyStringPrintf(where, " and "); else { dyStringPrintf(where, " where "); gotWhere = TRUE; } if (anyWild(val)) { char *converted = sqlLikeFromWild(val); char *escaped = makeEscapedString(converted, '"'); dyStringPrintf(where, "%s like \"%s\"", field->name, escaped); freez(&escaped); freez(&converted); } else if (val[0] == '>' || val[0] == '<') { char *remaining = val+1; if (remaining[0] == '=') remaining += 1; remaining = skipLeadingSpaces(remaining); if (isNumericString(remaining)) dyStringPrintf(where, "%s %s", field->name, val); else { warn("Filter for %s doesn't parse: %s", field->name, val); dyStringPrintf(where, "%s is not null", field->name); // Let query continue } } else { char *escaped = makeEscapedString(val, '"'); dyStringPrintf(where, "%s = \"%s\"", field->name, escaped); freez(&escaped); } } } } dyStringAppend(query, where->string); /* We do order here so as to keep order when working with tables bigger than a page. */ char orderVar[256]; safef(orderVar, sizeof(orderVar), "%s_order", varPrefix); char *orderFields = cartUsualString(cart, orderVar, ""); if (!isEmpty(orderFields)) { if (orderFields[0] == '-') dyStringPrintf(query, " order by %s desc", orderFields+1); else dyStringPrintf(query, " order by %s", orderFields); } /* Figure out size of query result */ struct dyString *countQuery = dyStringNew(0); sqlDyStringPrintf(countQuery, "%s", ""); // TODO check with Galt on how to get reasonable checking back. dyStringPrintf(countQuery, "select count(*) from %s", from); dyStringAppend(countQuery, where->string); int resultsSize = sqlQuickNum(conn, countQuery->string); dyStringFree(&countQuery); char pageVar[64]; safef(pageVar, sizeof(pageVar), "%s_page", varPrefix); int page = 0; struct fieldedTableSegment context = { .tableSize=resultsSize}; if (resultsSize > pageSize) { page = cartUsualInt(cart, pageVar, 0) - 1; if (page < 0) page = 0; int lastPage = (resultsSize-1)/pageSize; if (page > lastPage) page = lastPage; context.tableOffset = page * pageSize; dyStringPrintf(query, " limit %d offset %d", pageSize, context.tableOffset); } struct fieldedTable *table = fieldedTableFromDbQuery(conn, query->string); webFilteredFieldedTable(cart, table, returnUrl, varPrefix, maxFieldWidth, tagOutWrappers, wrapperContext, withFilters, itemPlural, pageSize, &context, suggestHash); fieldedTableFree(&table); dyStringFree(&query); dyStringFree(&where); }