Initial code for the form history extension
This commit is contained in:
Alexander Butenko
Christian Dywan
parent
c624048c21
commit
50c159e9bb
3 changed files with 587 additions and 0 deletions
16
data/autosuggestcontrol.css
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16
data/autosuggestcontrol.css
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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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text-align: left;
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background-color: #ffffff;
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position: absolute;
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}
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div.suggestions div {
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cursor: default;
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padding: 0px 3px;
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}
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div.suggestions div.current {
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background-color: #3366cc;
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color: white;
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}
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366
data/autosuggestcontrol.js
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366
data/autosuggestcontrol.js
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/**
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* An autosuggest textbox control.
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* from Nicholas C. Zakas (Author) example: http://www.nczonline.net/
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* @class
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* @scope public
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*/
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function AutoSuggestControl(oTextbox /*:HTMLInputElement*/,
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oProvider /*:SuggestionProvider*/) {
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/**
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* The currently selected suggestions.
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* @scope private
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*/
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this.cur /*:int*/ = -1;
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/**
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* The dropdown list layer.
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* @scope private
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*/
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this.layer = null;
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/**
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* Suggestion provider for the autosuggest feature.
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* @scope private.
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*/
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this.provider /*:SuggestionProvider*/ = oProvider;
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/**
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* The textbox to capture.
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* @scope private
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*/
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this.textbox /*:HTMLInputElement*/ = oTextbox;
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//initialize the control
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this.init();
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}
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/**
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* Autosuggests one or more suggestions for what the user has typed.
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* If no suggestions are passed in, then no autosuggest occurs.
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* @scope private
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* @param aSuggestions An array of suggestion strings.
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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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bTypeAhead /*:boolean*/) {
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//make sure theres at least one suggestion
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if (aSuggestions.length > 0) {
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if (bTypeAhead) {
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this.typeAhead(aSuggestions[0]);
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}
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this.showSuggestions(aSuggestions);
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} else {
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this.hideSuggestions();
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}
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};
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/**
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* Creates the dropdown layer to display multiple suggestions.
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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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//create the layer and assign styles
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this.layer = document.createElement("div");
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this.layer.className = "suggestions";
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this.layer.style.visibility = "hidden";
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this.layer.style.width = this.textbox.offsetWidth + 10;
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//when the user clicks on the a suggestion, get the text (innerHTML)
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//and place it into a textbox
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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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document.body.appendChild(this.layer);
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};
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/**
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* Gets the left coordinate of the textbox.
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* @scope private
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* @return The left coordinate of the textbox in pixels.
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*/
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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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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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/**
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* Gets the top coordinate of the textbox.
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* @scope private
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* @return The top coordinate of the textbox in pixels.
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*/
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AutoSuggestControl.prototype.getTop = function () /*:int*/ {
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var oNode = this.textbox;
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var iTop = 0;
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while(oNode.tagName != "BODY") {
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iTop += oNode.offsetTop;
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oNode = oNode.offsetParent;
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}
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return iTop;
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};
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/**
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* Handles three keydown events.
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* @scope private
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* @param oEvent The event object for the keydown event.
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*/
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AutoSuggestControl.prototype.handleKeyDown = function (oEvent /*:Event*/) {
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switch(oEvent.keyCode) {
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case 38: //up arrow
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this.previousSuggestion();
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break;
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case 40: //down arrow
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this.nextSuggestion();
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break;
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case 13: //enter
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this.hideSuggestions();
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break;
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}
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};
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/**
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* Handles keyup events.
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* @scope private
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* @param oEvent The event object for the keyup 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, false);
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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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this.provider.requestSuggestions(this, true);
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}
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};
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/**
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* Hides the suggestion dropdown.
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* @scope private
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*/
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AutoSuggestControl.prototype.hideSuggestions = function () {
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this.layer.style.visibility = "hidden";
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};
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/**
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* Highlights the given node in the suggestions dropdown.
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* @scope private
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* @param oSuggestionNode The node representing a suggestion in the dropdown.
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*/
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AutoSuggestControl.prototype.highlightSuggestion = function (oSuggestionNode) {
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for (var i=0; i < this.layer.childNodes.length; i++) {
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var oNode = this.layer.childNodes[i];
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if (oNode == oSuggestionNode) {
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oNode.className = "current"
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} else if (oNode.className == "current") {
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oNode.className = "";
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}
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}
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};
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/**
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* Initializes the textbox with event handlers for
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* auto suggest functionality.
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* @scope private
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*/
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AutoSuggestControl.prototype.init = function () {
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//save a reference to this object
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var oThis = this;
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//assign the onkeyup event handler
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this.textbox.onkeyup = function (oEvent) {
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//check for the proper location of the event object
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if (!oEvent) {
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oEvent = window.event;
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}
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//call the handleKeyUp() method with the event object
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oThis.handleKeyUp(oEvent);
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};
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//assign onkeydown event handler
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this.textbox.onkeydown = function (oEvent) {
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//check for the proper location of the event object
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if (!oEvent) {
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oEvent = window.event;
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}
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//call the handleKeyDown() method with the event object
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oThis.handleKeyDown(oEvent);
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};
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//assign onblur event handler (hides suggestions)
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this.textbox.onblur = function () {
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oThis.hideSuggestions();
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};
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this.textbox.onclick = function () {
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oThis.hideSuggestions();
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};
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//create the suggestions dropdown
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this.createDropDown();
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};
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/**
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* Highlights the next suggestion in the dropdown and
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* places the suggestion into the textbox.
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* @scope private
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*/
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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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};
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/**
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* Highlights the previous suggestion in the dropdown and
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* places the suggestion into the textbox.
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* @scope private
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*/
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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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/**
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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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//use text ranges for Internet Explorer
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if (this.textbox.createTextRange) {
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var oRange = this.textbox.createTextRange();
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oRange.moveStart("character", iStart);
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oRange.moveEnd("character", iLength - this.textbox.value.length);
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oRange.select();
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//use setSelectionRange() for Mozilla
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} else if (this.textbox.setSelectionRange) {
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this.textbox.setSelectionRange(iStart, iLength);
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}
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//set focus back to the textbox
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this.textbox.focus();
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};
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/**
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* Builds the suggestion layer contents, moves it into position,
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* and displays the layer.
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* @scope private
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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 oDiv = null;
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this.layer.innerHTML = ""; //clear contents of the layer
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for (var i=0; i < aSuggestions.length; i++) {
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oDiv = document.createElement("div");
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oDiv.appendChild(document.createTextNode(aSuggestions[i]));
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this.layer.appendChild(oDiv);
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}
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this.layer.style.left = this.getLeft() + "px";
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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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};
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/**
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* Inserts a suggestion into the textbox, highlighting the
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* suggested part of the text.
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* @scope private
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* @param sSuggestion The suggestion for the textbox.
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*/
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AutoSuggestControl.prototype.typeAhead = function (sSuggestion /*:String*/) {
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//check for support of typeahead functionality
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if (this.textbox.createTextRange || this.textbox.setSelectionRange){
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var iLen = this.textbox.value.length;
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this.textbox.value = sSuggestion;
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this.selectRange(iLen, sSuggestion.length);
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}
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};
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/**
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* Request suggestions for the given autosuggest control.
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* @scope protected
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* @param oAutoSuggestControl The autosuggest control to provide suggestions for.
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*/
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FormSuggestions.prototype.requestSuggestions = function (oAutoSuggestControl /*:AutoSuggestControl*/,
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bTypeAhead /*:boolean*/) {
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var aSuggestions = [];
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var sTextboxValue = oAutoSuggestControl.textbox.value;
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if (sTextboxValue.length > 0){
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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].indexOf(sTextboxValue) == 0) {
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aSuggestions.push(this.suggestions[i]);
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}
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}
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}
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//provide suggestions to the control
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oAutoSuggestControl.autosuggest(aSuggestions, bTypeAhead);
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};
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function initSuggestions () {
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var inputs = document.getElementsByTagName("input");
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for (i=0;i<inputs.length;i++)
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{
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var ename = inputs[i].getAttribute("name");
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var eid = inputs[i].getAttribute("id");
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if (!ename && eid)
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ename=eid;
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var smth = new AutoSuggestControl(inputs[i], new FormSuggestions(ename));
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}
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};
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205
extensions/formhistory.c
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205
extensions/formhistory.c
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/*
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Copyright (C) 2009 Alexander Butenko <a.butenka@gmail.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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*/
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#include <midori/midori.h>
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#include <midori/sokoke.h>
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#include "config.h"
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#include <glib/gstdio.h>
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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static gchar* jsforms;
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static void
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formhistory_prepare_js ()
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{
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gchar* autosuggest;
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gchar* style;
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guint i;
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/* FIXME: Don't hardcode paths */
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g_file_get_contents ("/usr/local/share/midori/autosuggestcontrol.js", &autosuggest, NULL, NULL);
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g_strchomp (autosuggest);
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g_file_get_contents ("/usr/local/share/midori/autosuggestcontrol.css", &style, NULL, NULL);
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g_strchomp (style);
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i = 0;
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while (style[i])
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{
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if (style[i] == '\n')
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style[i] = ' ';
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i++;
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}
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g_print ("%s\n", style);
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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 mystyle = document.createElement(\"style\");"
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"mystyle.setAttribute(\"type\", \"text/css\");"
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"mystyle.appendChild(document.createTextNode(\"%s\"));"
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"var head = document.getElementsByTagName(\"head\")[0];"
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"if (head) head.appendChild(mystyle);"
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"else document.documentElement.insertBefore(mystyle, document.documentElement.firstChild);"
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"}, true);",
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autosuggest,
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style);
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g_strstrip (jsforms);
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g_free (style);
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g_free (autosuggest);
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}
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static gchar*
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formhistory_build_js ()
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{
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const gchar* suggestions = "arr[\"txt1\"] = [\"Alabama\", \"Alaska\", \"Arizona\", \"Arkansas\"];"
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"arr[\"txt2\"] = [\"Alabama\", \"Alaska\", \"Arizona\", \"Arkansas\"];";
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gchar* script = g_strdup_printf ("function FormSuggestions(eid) { "
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"arr = new Array();"
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"%s"
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"this.suggestions = arr[eid]; }"
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"%s",
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suggestions,
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jsforms);
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return script;
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}
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static void
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formhistory_session_request_queued_cb (SoupSession* session,
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SoupMessage* msg)
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{
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gchar* method = katze_object_get_string (msg, "method");
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if (method[0] == 'P' && method[1] == 'O' && method[2] == 'S')
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{
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SoupMessageHeaders* hdrs = msg->request_headers;
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SoupMessageHeadersIter iter;
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const gchar* name, *value;
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SoupMessageBody* body = msg->request_body;
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soup_message_headers_iter_init (&iter, hdrs);
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while (soup_message_headers_iter_next (&iter, &name, &value))
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{
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g_warning ("%s=%s\n", name, value);
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}
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soup_buffer_free (soup_message_body_flatten (body));
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g_warning ("BODY: %s\n", body->data);
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}
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g_free (method);
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}
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static void
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formhistory_window_object_cleared_cb (GtkWidget* web_view,
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WebKitWebFrame* web_frame,
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JSContextRef js_context,
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JSObjectRef js_window)
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{
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webkit_web_view_execute_script (WEBKIT_WEB_VIEW (web_view),
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formhistory_build_js ());
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}
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static void
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formhistory_add_tab_cb (MidoriBrowser* browser,
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MidoriView* view)
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{
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GtkWidget* web_view = gtk_bin_get_child (GTK_BIN (view));
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SoupSession *session = webkit_get_default_session ();
|
||||
g_signal_connect (web_view, "window-object-cleared",
|
||||
G_CALLBACK (formhistory_window_object_cleared_cb), 0);
|
||||
/* FIXME: Deactivate request-queued on unload */
|
||||
g_signal_connect (session, "request-queued",
|
||||
G_CALLBACK (formhistory_session_request_queued_cb), 0);
|
||||
}
|
||||
|
||||
static void
|
||||
formhistory_deactivate_cb (MidoriExtension* extension,
|
||||
MidoriBrowser* browser);
|
||||
|
||||
static void
|
||||
formhistory_add_tab_foreach_cb (MidoriView* view,
|
||||
MidoriBrowser* browser)
|
||||
{
|
||||
formhistory_add_tab_cb (browser, view);
|
||||
}
|
||||
|
||||
static void
|
||||
formhistory_app_add_browser_cb (MidoriApp* app,
|
||||
MidoriBrowser* browser,
|
||||
MidoriExtension* extension)
|
||||
{
|
||||
midori_browser_foreach (browser,
|
||||
(GtkCallback)formhistory_add_tab_foreach_cb, browser);
|
||||
g_signal_connect (browser, "add-tab", G_CALLBACK (formhistory_add_tab_cb), 0);
|
||||
g_signal_connect (extension, "deactivate",
|
||||
G_CALLBACK (formhistory_deactivate_cb), browser);
|
||||
}
|
||||
|
||||
static void
|
||||
formhistory_deactivate_tabs (MidoriView* view,
|
||||
MidoriBrowser* browser)
|
||||
{
|
||||
GtkWidget* web_view = gtk_bin_get_child (GTK_BIN (view));
|
||||
g_signal_handlers_disconnect_by_func (
|
||||
browser, formhistory_add_tab_cb, 0);
|
||||
g_signal_handlers_disconnect_by_func (
|
||||
web_view, formhistory_window_object_cleared_cb, 0);
|
||||
}
|
||||
|
||||
static void
|
||||
formhistory_deactivate_cb (MidoriExtension* extension,
|
||||
MidoriBrowser* browser)
|
||||
{
|
||||
MidoriApp* app = midori_extension_get_app (extension);
|
||||
|
||||
g_signal_handlers_disconnect_by_func (
|
||||
extension, formhistory_deactivate_cb, browser);
|
||||
g_signal_handlers_disconnect_by_func (
|
||||
app, formhistory_app_add_browser_cb, extension);
|
||||
midori_browser_foreach (browser, (GtkCallback)formhistory_deactivate_tabs, browser);
|
||||
}
|
||||
|
||||
static void
|
||||
formhistory_activate_cb (MidoriExtension* extension,
|
||||
MidoriApp* app)
|
||||
{
|
||||
KatzeArray* browsers;
|
||||
MidoriBrowser* browser;
|
||||
guint i;
|
||||
|
||||
formhistory_prepare_js ();
|
||||
browsers = katze_object_get_object (app, "browsers");
|
||||
i = 0;
|
||||
while ((browser = katze_array_get_nth_item (browsers, i++)))
|
||||
formhistory_app_add_browser_cb (app, browser, extension);
|
||||
g_signal_connect (app, "add-browser",
|
||||
G_CALLBACK (formhistory_app_add_browser_cb), extension);
|
||||
|
||||
g_object_unref (browsers);
|
||||
}
|
||||
|
||||
MidoriExtension*
|
||||
extension_init (void)
|
||||
{
|
||||
MidoriExtension* extension = g_object_new (MIDORI_TYPE_EXTENSION,
|
||||
"name", _("Form history filler"),
|
||||
"description", _("Stores history of entered form data"),
|
||||
"version", "0.1",
|
||||
"authors", "Alexander V. Butenko <a.butenka@gmail.com>",
|
||||
NULL);
|
||||
g_signal_connect (extension, "activate",
|
||||
G_CALLBACK (formhistory_activate_cb), NULL);
|
||||
|
||||
return extension;
|
||||
}
|
||||
Loading…
Reference in a new issue