Optimize and clean-up form history
Switch from g_file_test() to g_access() Initialize suggestions once the DOM is ready and only once No need to handle WEBKIT_WEB_NAVIGATION_REASON_FORM_RESUBMITTED [JS] Hide suggestions if search pattern was cleared [JS] Human usable up/ down navigation in the suggestion window Reusing a single suggestion window introduced a regression. Suggestions were filling into the wrong editbox if there was more than 1 on the page. Some comments fixed and style clean-ups Removed dead code
This commit is contained in:
Alexander Butenko
Christian Dywan
parent
045cc81b45
commit
9af30a1eda
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@ -1,9 +1,6 @@
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div.suggestions {
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-moz-box-sizing: border-box;
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box-sizing: border-box;
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border: 1px solid #cccccc;
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-webkit-appearance: listbox;
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text-align: left;
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background-color: #ffffff;
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position: absolute;
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z-index: 999;
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}
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@ -38,7 +38,6 @@ function AutoSuggestControl(oTextbox /*:HTMLInputElement*/,
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* @param bTypeAhead If the control should provide a type ahead suggestion.
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*/
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AutoSuggestControl.prototype.autosuggest = function (aSuggestions /*:Array*/) {
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//make sure theres at least one suggestion
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if (aSuggestions.length > 0) {
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this.showSuggestions(aSuggestions);
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} else {
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@ -51,35 +50,16 @@ AutoSuggestControl.prototype.autosuggest = function (aSuggestions /*:Array*/) {
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* @scope private
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*/
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AutoSuggestControl.prototype.createDropDown = function () {
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var oThis = this;
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var sDiv = document.getElementById("suggestions_box");
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if (sDiv)
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if (sDiv) {
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this.layer = sDiv;
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else
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{
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this.layer = document.createElement("div");
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this.layer.className = "suggestions";
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this.layer.id = "suggestions_box";
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this.layer.style.visibility = "hidden";
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this.layer.style.width = this.textbox.offsetWidth;
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return;
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}
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this.layer.onmousedown =
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this.layer.onmouseup =
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this.layer.onmouseover = function (oEvent) {
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oEvent = oEvent || window.event;
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oTarget = oEvent.target || oEvent.srcElement;
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if (oEvent.type == "mousedown") {
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oThis.textbox.value = oTarget.firstChild.nodeValue;
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oThis.hideSuggestions();
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} else if (oEvent.type == "mouseover") {
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oThis.highlightSuggestion(oTarget);
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} else {
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oThis.textbox.focus();
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}
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};
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this.layer = document.createElement("div");
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this.layer.className = "suggestions";
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this.layer.id = "suggestions_box";
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this.layer.style.visibility = "hidden";
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this.layer.style.width = this.textbox.offsetWidth;
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document.body.appendChild(this.layer);
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};
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@ -91,12 +71,10 @@ AutoSuggestControl.prototype.createDropDown = function () {
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AutoSuggestControl.prototype.getLeft = function () /*:int*/ {
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var oNode = this.textbox;
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var iLeft = 0;
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while(oNode.tagName != "BODY") {
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while (oNode.tagName != "BODY") {
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iLeft += oNode.offsetLeft;
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oNode = oNode.offsetParent;
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}
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return iLeft;
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};
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@ -141,17 +119,15 @@ AutoSuggestControl.prototype.handleKeyDown = function (oEvent /*:Event*/) {
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*/
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AutoSuggestControl.prototype.handleKeyUp = function (oEvent /*:Event*/) {
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var iKeyCode = oEvent.keyCode;
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//for backspace (8) and delete (46), shows suggestions without typeahead
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if (iKeyCode == 8 || iKeyCode == 46) {
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this.provider.requestSuggestions(this);
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//make sure not to interfere with non-character keys
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} else if (iKeyCode < 32 || (iKeyCode >= 33 && iKeyCode < 46) || (iKeyCode >= 112 && iKeyCode <= 123) ) {
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//ignore
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} else if (oEvent.ctrlKey) {
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iKeyCode = 0;
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this.hideSuggestions();
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} else {
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//request suggestions from the suggestion provider with typeahead
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//request suggestions from the suggestion provider
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this.provider.requestSuggestions(this);
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}
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};
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@ -227,11 +203,15 @@ AutoSuggestControl.prototype.init = function () {
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AutoSuggestControl.prototype.nextSuggestion = function () {
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var cSuggestionNodes = this.layer.childNodes;
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if (cSuggestionNodes.length > 0 && this.cur < cSuggestionNodes.length-1) {
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var oNode = cSuggestionNodes[++this.cur];
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this.highlightSuggestion(oNode);
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this.textbox.value = oNode.firstChild.nodeValue;
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}
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if (!cSuggestionNodes.length)
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return;
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if (this.cur == cSuggestionNodes.length-1)
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this.cur = -1;
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var oNode = cSuggestionNodes[++this.cur];
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this.highlightSuggestion(oNode);
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this.textbox.value = oNode.firstChild.nodeValue;
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};
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/**
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@ -242,24 +222,15 @@ AutoSuggestControl.prototype.nextSuggestion = function () {
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AutoSuggestControl.prototype.previousSuggestion = function () {
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var cSuggestionNodes = this.layer.childNodes;
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if (cSuggestionNodes.length > 0 && this.cur > 0) {
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var oNode = cSuggestionNodes[--this.cur];
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this.highlightSuggestion(oNode);
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this.textbox.value = oNode.firstChild.nodeValue;
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}
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};
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if (!cSuggestionNodes.length)
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return;
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/**
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* Selects a range of text in the textbox.
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* @scope public
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* @param iStart The start index (base 0) of the selection.
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* @param iLength The number of characters to select.
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*/
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AutoSuggestControl.prototype.selectRange = function (iStart /*:int*/, iLength /*:int*/) {
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if (this.textbox.setSelectionRange) {
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this.textbox.setSelectionRange(iStart, iLength);
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}
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this.textbox.focus();
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if (this.cur == -1 || this.cur == 0)
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this.cur = cSuggestionNodes.length;
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var oNode = cSuggestionNodes[--this.cur];
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this.highlightSuggestion(oNode);
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this.textbox.value = oNode.firstChild.nodeValue;
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};
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/**
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@ -269,6 +240,7 @@ AutoSuggestControl.prototype.selectRange = function (iStart /*:int*/, iLength /*
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* @param aSuggestions An array of suggestions for the control.
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*/
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AutoSuggestControl.prototype.showSuggestions = function (aSuggestions /*:Array*/) {
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var oThis = this;
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var oDiv = null;
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this.layer.innerHTML = ""; //clear contents of the layer
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@ -282,6 +254,21 @@ AutoSuggestControl.prototype.showSuggestions = function (aSuggestions /*:Array*/
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this.layer.style.top = (this.getTop()+this.textbox.offsetHeight) + "px";
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this.layer.style.visibility = "visible";
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this.layer.style.position = "absolute";
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this.layer.onmousedown =
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this.layer.onmouseup =
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this.layer.onmouseover = function (oEvent) {
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var oEvent = oEvent || window.event;
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var oTarget = oEvent.target || oEvent.srcElement;
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if (oEvent.type == "mousedown") {
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oThis.textbox.value = oTarget.firstChild.nodeValue;
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oThis.hideSuggestions();
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} else if (oEvent.type == "mouseover") {
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oThis.highlightSuggestion(oTarget);
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} else {
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oThis.textbox.focus();
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}
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};
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};
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/**
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@ -295,14 +282,13 @@ FormSuggestions.prototype.requestSuggestions = function (oAutoSuggestControl /*:
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if (!this.suggestions)
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return;
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if (!sTextboxValue.length)
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return;
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//search for matching suggestions
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for (var i=0; i < this.suggestions.length; i++) {
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if (this.suggestions[i].toLowerCase().indexOf(sTextboxValue) == 0) {
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aSuggestions.push(this.suggestions[i]);
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}
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if (sTextboxValue.length)
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for (var i=0; i < this.suggestions.length; i++) {
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if (this.suggestions[i].toLowerCase().indexOf(sTextboxValue) == 0) {
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aSuggestions.push(this.suggestions[i]);
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}
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}
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//provide suggestions to the control
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oAutoSuggestControl.autosuggest(aSuggestions);
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@ -38,13 +38,13 @@ formhistory_prepare_js ()
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gchar* data_path = g_build_filename (MDATADIR, PACKAGE_NAME, "res", NULL);
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file = g_build_filename (data_path,"/autosuggestcontrol.js",NULL);
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if (!g_file_test (file, G_FILE_TEST_EXISTS))
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if (g_access (file, F_OK) != 0)
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return FALSE;
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g_file_get_contents (file, &autosuggest, NULL, NULL);
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g_strchomp (autosuggest);
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file = g_build_filename (data_path,"/autosuggestcontrol.css",NULL);
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if (!g_file_test (file, G_FILE_TEST_EXISTS))
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if (g_access (file, F_OK) != 0)
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return FALSE;
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g_file_get_contents (file, &style, NULL, NULL);
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g_strchomp (style);
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@ -58,7 +58,6 @@ formhistory_prepare_js ()
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jsforms = g_strdup_printf (
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"%s"
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"window.addEventListener ('load', function () { initSuggestions (); }, true);"
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"window.addEventListener ('DOMContentLoaded',"
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"function () {"
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" var styles = document.getElementsByTagName('style');"
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@ -66,6 +65,7 @@ formhistory_prepare_js ()
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" if (styles[i].getAttribute('title') == 'formhistory')"
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" return;"
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" }"
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" initSuggestions ();"
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" var mystyle = document.createElement('style');"
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" mystyle.setAttribute('type', 'text/css');"
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" mystyle.setAttribute('title', 'formhistory');"
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@ -215,8 +215,7 @@ formhistory_navigation_decision_cb (WebKitWebView* web_view,
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"}"
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"dumpForm (document.getElementsByTagName('input'))";
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if (webkit_web_navigation_action_get_reason (action) == WEBKIT_WEB_NAVIGATION_REASON_FORM_SUBMITTED
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|| webkit_web_navigation_action_get_reason (action) == WEBKIT_WEB_NAVIGATION_REASON_FORM_RESUBMITTED)
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if (webkit_web_navigation_action_get_reason (action) == WEBKIT_WEB_NAVIGATION_REASON_FORM_SUBMITTED)
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{
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gchar* value = sokoke_js_script_eval (js_context, script, NULL);
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if (value)
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