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- /* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- *
- * The contents of this file are subject to the Netscape Public
- * License Version 1.1 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.mozilla.org/NPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * The Original Code is Mozilla Communicator client code.
- *
- * The Initial Developer of the Original Code is Netscape Communications
- * Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All
- * Rights Reserved.
- *
- * Contributor(s):
- * Alec Flett <alecf@netscape.com>
- */
-
- var gTotalSearchTerms=0;
- var gSearchRowContainer;
- var gSearchTerms = new Array;
- var gSearchRemovedTerms = new Array;
- var gSearchScope;
- var gSearchLessButton;
-
- //
- function searchTermContainer() {}
-
- searchTermContainer.prototype = {
-
- // this.searchTerm: the actual nsIMsgSearchTerm object
- get searchTerm() { return this.internalSearchTerm; },
- set searchTerm(val) {
- this.internalSearchTerm = val;
-
- var term = val;
- // val is a nsIMsgSearchTerm
- var searchAttribute=this.searchattribute;
- var searchOperator=this.searchoperator;
- var searchValue=this.searchvalue;
-
- // now reflect all attributes of the searchterm into the widgets
- if (searchAttribute) searchAttribute.value = term.attrib;
- if (searchOperator) searchOperator.value = val.op;
- if (searchValue) searchValue.value = term.value;
-
- this.booleanAnd = val.booleanAnd;
- return val;
- },
-
- // searchscope - just forward to the searchattribute
- get searchScope() {
- if (this.searchattribute)
- return this.searchattribute.searchScope;
- return undefined;
- },
- set searchScope(val) {
- var searchAttribute = this.searchattribute;
- if (searchAttribute) searchAttribute.searchScope=val;
- return val;
- },
-
- saveId: function (element, slot) {
- this[slot] = element.id;
- },
-
- getElement: function (slot) {
- return document.getElementById(this[slot]);
- },
-
- // three well-defined properties:
- // searchattribute, searchoperator, searchvalue
- // the trick going on here is that we're storing the Element's Id,
- // not the element itself, because the XBL object may change out
- // from underneath us
- get searchattribute() { return this.getElement("internalSearchAttributeId"); },
- set searchattribute(val) {
- this.saveId(val, "internalSearchAttributeId");
- return val;
- },
- get searchoperator() { return this.getElement("internalSearchOperatorId"); },
- set searchoperator(val) {
- this.saveId(val, "internalSearchOperatorId");
- return val;
- },
- get searchvalue() { return this.getElement("internalSearchValueId"); },
- set searchvalue(val) {
- this.saveId(val, "internalSearchValueId");
- return val;
- },
-
- booleanNodes: null,
- stringBundle: srGetStrBundle("chrome://messenger/locale/search.properties"),
- get booleanAnd() { return this.internalBooleanAnd; },
- set booleanAnd(val) {
- // whenever you set this, all nodes in booleanNodes
- // are updated to reflect the string
-
- if (this.internalBooleanAnd == val) return val;
- this.internalBooleanAnd = val;
-
- var booleanNodes = this.booleanNodes;
- if (!booleanNodes) return val;
-
- var stringBundle = this.stringBundle;
- var andString = val ? "And" : "Or";
- for (var i=0; i<booleanNodes.length; i++) {
- try {
- var staticString =
- stringBundle.GetStringFromName("search" + andString + i);
- if (staticString && staticString.length>0)
- booleanNodes[i].setAttribute("value", staticString);
- } catch (ex) { /* no error, means string not found */}
- }
- return val;
- },
-
- save: function () {
- var searchTerm = this.searchTerm;
- searchTerm.attrib = this.searchattribute.value;
- searchTerm.op = this.searchoperator.value;
- if (this.searchvalue.value)
- this.searchvalue.save();
- else
- this.searchvalue.saveTo(searchTerm.value);
- searchTerm.value = this.searchvalue.value;
- searchTerm.booleanAnd = this.booleanAnd;
- },
- // if you have a search term element with no search term
- saveTo: function(searchTerm) {
- this.internalSearchTerm = searchTerm;
- this.save();
- }
- }
-
- var nsIMsgSearchTerm = Components.interfaces.nsIMsgSearchTerm;
-
- function initializeSearchWidgets() {
- gSearchBooleanRadiogroup = document.getElementById("booleanAndGroup");
- gSearchRowContainer = document.getElementById("searchTermList");
- gSearchLessButton = document.getElementById("less");
- if (!gSearchLessButton)
- dump("I couldn't find less button!");
- }
-
- function initializeBooleanWidgets() {
-
- var booleanAnd = true;
- // get the boolean value from the first term
- var firstTerm = gSearchTerms[0];
- if (firstTerm)
- booleanAnd = firstTerm.booleanAnd;
-
- // target radio items have data="and" or data="or"
- targetValue = "or";
- if (booleanAnd) targetValue = "and";
-
- targetElement = gSearchBooleanRadiogroup.getElementsByAttribute("data", targetValue)[0];
-
- gSearchBooleanRadiogroup.selectedItem = targetElement;
- }
-
- function initializeSearchRows(scope, searchTerms)
- {
- gTotalSearchTerms = searchTerms.Count();
- for (var i=0; i<gTotalSearchTerms; i++) {
- var searchTerm = searchTerms.QueryElementAt(i, nsIMsgSearchTerm);
- createSearchRow(i, scope, searchTerm);
- }
- initializeBooleanWidgets();
- }
-
- function onMore(event)
- {
- if(gTotalSearchTerms==1)
- gSearchLessButton .removeAttribute("disabled", "false");
- createSearchRow(gTotalSearchTerms++, gSearchScope, null);
- }
-
- function onLess(event)
- {
- if (gTotalSearchTerms>1)
- removeSearchRow(--gTotalSearchTerms);
- if (gTotalSearchTerms==1)
- gSearchLessButton .setAttribute("disabled", "true");
- }
-
- // set scope on all visible searhattribute tags
- function setSearchScope(scope) {
- dump("Setting search scope to " + scope + "\n");
- gSearchScope = scope;
- dump("..on " + gSearchTerms.length + " elements.\n");
- for (var i=0; i<gSearchTerms.length; i++) {
- gSearchTerms[i].searchattribute.searchScope = scope;
- }
- }
-
- function booleanChanged(event) {
- // when boolean changes, we have to update all the attributes on the
- // search terms
-
- var newBoolValue =
- (event.target.getAttribute("data") == "and") ? true : false;
- for (var i=0; i<gSearchTerms.length; i++) {
- var searchTerm = gSearchTerms[i];
- searchTerm.booleanAnd = newBoolValue;
- }
- dump("Boolean is now " + event.target.data + "\n");
- }
-
-
- function createSearchRow(index, scope, searchTerm)
- {
- var searchAttr = document.createElement("searchattribute");
- var searchOp = document.createElement("searchoperator");
- var searchVal = document.createElement("searchvalue");
-
- // now set up ids:
- searchAttr.id = "searchAttr" + index;
- searchOp.id = "searchOp" + index;
- searchVal.id = "searchVal" + index;
-
- searchAttr.setAttribute("for", searchOp.id + "," + searchVal.id);
-
- var rowdata = new Array(null, searchAttr,
- null, searchOp,
- null, searchVal,
- null);
- var searchrow = constructRow(rowdata);
-
- searchrow.id = "searchRow" + index;
-
- var searchTermObj = new searchTermContainer;
- // is this necessary?
- //searchTermElement.id = "searchTerm" + index;
- gSearchTerms[gSearchTerms.length] = searchTermObj;
-
- searchTermObj.searchattribute = searchAttr;
- searchTermObj.searchoperator = searchOp;
- searchTermObj.searchvalue = searchVal;
-
- // now invalidate the newly created items because they've been inserted
- // into the document, and XBL bindings will be inserted in their place
- //searchAttr = searchOp = searchVal = undefined;
-
- // and/or string handling:
- // this is scary - basically we want to take every other
- // treecell, (note the i+=2) which will be a text label,
- // and set the searchTermObj's
- // booleanNodes to that
- var stringNodes = new Array;
- var treecells = searchrow.firstChild.childNodes;
- var j=0;
- for (var i=0; i<treecells.length; i+=2) {
- stringNodes[j++] = treecells[i];
- }
- searchTermObj.booleanNodes = stringNodes;
-
- gSearchRowContainer.appendChild(searchrow);
-
- dump("createSearchRow: Setting searchScope = " + scope + "\n");
- searchTermObj.searchScope = scope;
- // the search term will initialize the searchTerm element, including
- // .booleanAnd
- if (searchTerm) {
- dump("\nHave a searchterm (" +
- searchTerm.attrib + "/" +
- searchTerm.op + "/" +
- searchTerm.value + ")\n");
- searchTermObj.searchTerm = searchTerm;
- }
-
- // here, we don't have a searchTerm, so it's probably a new element -
- // we'll initialize the .booleanAnd from the existing setting in
- // the UI
- else
- searchTermObj.booleanAnd = getBooleanAnd();
-
- }
-
- // creates a <treerow> using the array treeCellChildren as
- // the children of each treecell
- function constructRow(treeCellChildren)
- {
- var treeitem = document.createElement("treeitem");
- var row = document.createElement("treerow");
- for (var i = 0; i<treeCellChildren.length; i++) {
- var treecell = document.createElement("treecell");
-
- // it's ok to have empty cells
- if (treeCellChildren[i]) {
- treecell.setAttribute("allowevents", "true");
- treeCellChildren[i].setAttribute("flex", "1");
- treecell.appendChild(treeCellChildren[i]);
- var child = treeCellChildren[i];
- dump("Appended a " + child.localName + "\n");
-
- }
- row.appendChild(treecell);
- }
- treeitem.appendChild(row);
- return treeitem;
- }
-
- function removeSearchRow(index)
- {
- dump("removing search term " + index + "\n");
- var searchTermObj = gSearchTerms[index];
- if (!searchTermObj) {
- dump("removeSearchRow: couldn't find search term " + index + "\n");
- return;
- }
-
- // need to remove row from tree, so walk upwards from the
- // searchattribute to find the first <treeitem>
- var treeItemRow = searchTermObj.searchattribute;
- //dump("removeSearchRow: " + treeItemRow + "\n");
- while (treeItemRow) {
- if (treeItemRow.localName == "treeitem") break;
- treeItemRow = treeItemRow.parentNode;
- }
-
- if (!treeItemRow) {
- dump("Error: couldn't find parent treeitem!\n");
- return;
- }
-
-
- if (searchTermObj.searchTerm) {
- dump("That was a real row! queuing " + searchTermObj.searchTerm + " for disposal\n");
- gSearchRemovedTerms[gSearchRemovedTerms.length] = searchTermObj.searchTerm;
- } else {
- dump("That wasn't real. ignoring \n");
- }
-
- treeItemRow.parentNode.removeChild(treeItemRow);
- // remove it from the list of terms - XXX this does it?
- dump("Removing row " + index + " from " + gSearchTerms.length + " items\n");
- // remove the last element
- gSearchTerms.length--;
- dump("Now there are " + gSearchTerms.length + " items\n");
- }
-
- function getBooleanAnd()
- {
- if (gSearchBooleanRadiogroup.selectedItem)
- return (gSearchBooleanRadiogroup.selectedItem.getAttribute("data") == "and") ? true : false;
-
- // default to false
- return false;
- }
-
- // save the search terms from the UI back to the actual search terms
- // searchTerms: nsISupportsArray of terms
- // termOwner: object which can contain and create the terms
- // (will be unnecessary if we just make terms creatable
- // via XPCOM)
- function saveSearchTerms(searchTerms, termOwner)
- {
-
- for (var i = 0; i<gSearchTerms.length; i++) {
- try {
- dump("Saving search element " + i + "\n");
- var searchTerm = gSearchTerms[i].searchTerm;
- if (searchTerm)
- gSearchTerms[i].save();
- else {
- // need to create a new searchTerm, and somehow save it to that
- dump("Need to create searchterm " + i + "\n");
- searchTerm = termOwner.createTerm();
- gSearchTerms[i].saveTo(searchTerm);
- termOwner.appendTerm(searchTerm);
- }
- } catch (ex) {
-
- dump("** Error saving element " + i + ": " + ex + "\n");
- }
- }
-
- // now remove the queued elements
- for (var i=0; i<gSearchRemovedTerms.length; i++) {
- // this is so nasty, we have to iterate through
- // because GetIndexOf is acting funny
- var searchTermSupports =
- gSearchRemovedTerms[i].QueryInterface(Components.interfaces.nsISupports);
- searchTerms.RemoveElement(searchTermSupports);
- }
-
- }
-
- function onReset(event)
- {
- while (gTotalSearchTerms>0)
- removeSearchRow(--gTotalSearchTerms);
- onMore(event);
- }
-