X-Git-Url: http://git.indexdata.com/?p=mkws-moved-to-github.git;a=blobdiff_plain;f=src%2Fmkws-filter.js;h=0b2ea6353429768000f2c17a51f6fd97d1a18d7e;hp=c62235eebd8497a043ab3f3fc303f8542b1007cf;hb=fad8d5da11b18ef3fe25e8927a298232cbe6be7a;hpb=d17b8d85a517f52832afbcce1a52b83ba7152498

diff --git a/src/mkws-filter.js b/src/mkws-filter.js
index c62235e..0b2ea63 100644
--- a/src/mkws-filter.js
+++ b/src/mkws-filter.js
@@ -1,12 +1,129 @@
-// Factory function for filters. These can be of several types.
-function filter(id, field, value) {
-    var res;
+// Factory function for sets of filters.
+function filterSet(team) {
+  var m_team = team;
+  var m_list = [];
 
-    if (id) {
-	res = { id: id, name: name };
-    } else {
-	res = { field: field, value: value };
+  var that = {};
+
+  that.toJSON = function() {
+    return mkws.$.toJSON(m_list);
+  };
+
+  that.add = function(filter) {
+    m_list.push(filter);
+  };
+
+  that.visitTargets = function(callback) {
+    for (var i in m_list) {
+      var filter = m_list[i];
+      if (filter.type === 'target') {
+        callback(filter.id, filter.name);
+      }
+    }
+  };
+
+  that.visitFields = function(callback) {
+    for (var i in m_list) {
+      var filter = m_list[i];
+      if (filter.type === 'field') {
+        callback(filter.field, filter.value);
+      }
+    }
+  };
+
+  that.visitCategories = function(callback) {
+    for (var i in m_list) {
+      var filter = m_list[i];
+      if (filter.type === 'category') {
+        callback(filter.id);
+      }
     }
+  };
+
+  that.removeMatching = function(matchFn) {
+    var newList = [];
+    for (var i in m_list) {
+      var filter = m_list[i];
+      if (matchFn(filter)) {
+        m_team.info("removeMatching: removing filter " + mkws.$.toJSON(filter));
+      } else {
+        m_team.info("removeMatching: keeping filter " + mkws.$.toJSON(filter));
+        newList.push(filter);
+      }
+    }
+    m_list = newList;
+  };
+
+  that.targetFiltered = function(id) {
+    for (var i = 0; i < m_list.length; i++) {
+      if (m_list[i].type === 'target' ||
+          m_list[i].id === 'pz:id=' + id) {
+        return true;
+      }
+    }
+    return false;
+  };
+
+  that.pp2filter = function() {
+    var res = "";
+
+    that.visitTargets(function(id, name) {
+      if (res) res += ",";
+      if (id.match(/^[a-z:]+[=~]/)) {
+        m_team.info("filter '" + id + "' already begins with SETTING OP");
+      } else {
+        id = 'pz:id=' + id;
+      }
+      res += id;
+    });
 
     return res;
+  };
+
+  that.pp2limit = function(initial) {
+    var res = initial || "";
+
+    that.visitFields(function(field, value) {
+      if (res) res += ",";
+      res += field + "=" + value.replace(/[\\|,]/g, '\\$&');
+    });
+    return res;
+  }
+
+  that.pp2catLimit = function() {
+    var res = "";
+
+    that.visitCategories(function(id) {
+      if (res) res += ",";
+      res += "category~" + id.replace(/[\\,]/g, '\\$&');
+    });
+    return res;
+  }
+
+  return that;
+}
+
+
+// Factory functions for filters. These can be of several types.
+function targetFilter(id, name) {
+  return {
+    type: 'target',
+    id: id,
+    name: name
+  };
+}
+
+function fieldFilter(field, value) {
+  return {
+    type: 'field',
+    field: field,
+    value: value
+  };
+}
+
+function categoryFilter(id) {
+  return {
+    type: 'category',
+    id: id
+  };
 }