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/*
* Copyright (C) 2013, 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
WI.FindBanner = class FindBanner extends WI.NavigationItem
{
constructor(delegate, className, alwaysShowing = false)
{
super();
this._delegate = delegate || null;
this._alwaysShowing = alwaysShowing;
this.element.classList.add("find-banner");
if (className)
this.element.classList.add(className);
this._resultCountLabel = document.createElement("label");
this.element.appendChild(this._resultCountLabel);
this._inputField = document.createElement("input");
this._inputField.type = "search";
this._inputField.placeholder = " "; // This is necessary for :placeholder-shown.
this._inputField.spellcheck = false;
this._inputField.incremental = true;
this._inputField.setAttribute("results", 5);
this._inputField.setAttribute("autosave", "inspector-search");
this._inputField.addEventListener("keydown", this._inputFieldKeyDown.bind(this), false);
this._inputField.addEventListener("keyup", this._inputFieldKeyUp.bind(this), false);
this._inputField.addEventListener("search", this._inputFieldSearch.bind(this), false);
this.element.appendChild(this._inputField);
this._previousResultButton = document.createElement("button");
this._previousResultButton.classList.add("segmented", "previous-result");
this._previousResultButton.disabled = true;
this._previousResultButton.title = WI.UIString("Find Previous (%s)").format(WI.findPreviousKeyboardShortcut.displayName);
this._previousResultButton.addEventListener("click", this._previousResultButtonClicked.bind(this));
this.element.appendChild(this._previousResultButton);
let previousResultButtonGlyphElement = document.createElement("div");
previousResultButtonGlyphElement.classList.add(WI.FindBanner.SegmentGlyphStyleClassName);
this._previousResultButton.appendChild(previousResultButtonGlyphElement);
this._nextResultButton = document.createElement("button");
this._nextResultButton.classList.add("segmented", "next-result");
this._nextResultButton.disabled = true;
this._nextResultButton.title = WI.UIString("Find Next (%s)").format(WI.findNextKeyboardShortcut.displayName);
this._nextResultButton.addEventListener("click", this._nextResultButtonClicked.bind(this));
this.element.appendChild(this._nextResultButton);
let nextResultButtonGlyphElement = document.createElement("div");
nextResultButtonGlyphElement.classList.add(WI.FindBanner.SegmentGlyphStyleClassName);
this._nextResultButton.appendChild(nextResultButtonGlyphElement);
if (this._alwaysShowing) {
this.element.classList.add(WI.FindBanner.ShowingStyleClassName);
this._clearAndBlurKeyboardShortcut = new WI.KeyboardShortcut(null, WI.KeyboardShortcut.Key.Escape, this.clearAndBlur.bind(this), this.element);
} else {
let doneButtonElement = document.createElement("button");
doneButtonElement.textContent = WI.UIString("Done");
doneButtonElement.addEventListener("click", this._doneButtonClicked.bind(this));
this.element.appendChild(doneButtonElement);
this._hideKeyboardShortcut = new WI.KeyboardShortcut(null, WI.KeyboardShortcut.Key.Escape, this.hide.bind(this), this.element);
}
this._numberOfResults = null;
this._searchBackwards = false;
this._searchKeyPressed = false;
this._previousSearchValue = "";
}
// Public
get delegate() { return this._delegate; }
set delegate(newDelegate) { this._delegate = newDelegate || null; }
get inputField() { return this._inputField; }
get searchQuery() { return this._inputField.value || ""; }
set searchQuery(query) { this._inputField.value = query || ""; }
get numberOfResults() { return this._numberOfResults; }
set numberOfResults(numberOfResults)
{
if (numberOfResults === undefined || isNaN(numberOfResults))
numberOfResults = null;
this._numberOfResults = numberOfResults;
this._previousResultButton.disabled = this._nextResultButton.disabled = numberOfResults <= 0;
if (numberOfResults === null)
this._resultCountLabel.textContent = "";
else if (numberOfResults <= 0)
this._resultCountLabel.textContent = WI.UIString("Not found");
else if (numberOfResults === 1)
this._resultCountLabel.textContent = WI.UIString("1 match");
else if (numberOfResults > 1)
this._resultCountLabel.textContent = WI.UIString("%d matches").format(numberOfResults);
}
get targetElement()
{
return this._targetElement;
}
set targetElement(element)
{
function delayedWork()
{
oldTargetElement.classList.remove(WI.FindBanner.NoTransitionStyleClassName);
this.element.classList.remove(WI.FindBanner.NoTransitionStyleClassName);
}
if (this._targetElement) {
var oldTargetElement = this._targetElement;
this._targetElement.classList.add(WI.FindBanner.NoTransitionStyleClassName);
this._targetElement.classList.remove(WI.FindBanner.SupportsFindBannerStyleClassName);
this._targetElement.classList.remove(WI.FindBanner.ShowingFindBannerStyleClassName);
this.element.classList.add(WI.FindBanner.NoTransitionStyleClassName);
if (!this._alwaysShowing)
this.element.classList.remove(WI.FindBanner.ShowingStyleClassName);
// Delay so we can remove the no transition style class after the other style changes are committed.
setTimeout(delayedWork.bind(this), 0);
}
this._targetElement = element || null;
if (this._targetElement)
this._targetElement.classList.add(WI.FindBanner.SupportsFindBannerStyleClassName);
}
get showing()
{
return this.element.classList.contains(WI.FindBanner.ShowingStyleClassName);
}
focus()
{
// FIXME: Workaround for: <https://webkit.org/b/149504> Caret missing from <input> after clearing text and calling select()
if (!this._inputField.value.length)
this._inputField.focus();
else
this._inputField.select();
}
clearAndBlur()
{
this.numberOfResults = null;
this._inputField.value = "";
this._previousSearchValue = "";
if (this._delegate.findBannerSearchCleared)
this._delegate.findBannerSearchCleared();
if (this._delegate.findBannerWantsToClearAndBlur)
this._delegate.findBannerWantsToClearAndBlur();
}
show()
{
console.assert(this._targetElement);
if (!this._targetElement)
return;
console.assert(this._targetElement.parentNode);
if (!this._targetElement.parentNode)
return;
if (this.element.parentNode !== this._targetElement.parentNode)
this._targetElement.parentNode.insertBefore(this.element, this._targetElement);
function delayedWork()
{
this._targetElement.classList.add(WI.FindBanner.ShowingFindBannerStyleClassName);
this.element.classList.add(WI.FindBanner.ShowingStyleClassName);
this._inputField.select();
}
// Delay adding the classes in case the target element and/or the find banner were just added to
// the document. Adding the class right away will prevent the animation from working the first time.
setTimeout(delayedWork.bind(this), 0);
this.dispatchEventToListeners(WI.FindBanner.Event.DidShow);
}
hide()
{
console.assert(this._targetElement);
if (!this._targetElement)
return;
this._inputField.blur();
this._targetElement.classList.remove(WI.FindBanner.ShowingFindBannerStyleClassName);
if (!this._alwaysShowing)
this.element.classList.remove(WI.FindBanner.ShowingStyleClassName);
this.dispatchEventToListeners(WI.FindBanner.Event.DidHide);
}
// Private
_inputFieldKeyDown(event)
{
if (event.keyIdentifier === "Shift")
this._searchBackwards = true;
else if (event.keyIdentifier === "Enter")
this._searchKeyPressed = true;
}
_inputFieldKeyUp(event)
{
if (event.keyIdentifier === "Shift")
this._searchBackwards = false;
else if (event.keyIdentifier === "Enter")
this._searchKeyPressed = false;
}
_inputFieldSearch(event)
{
if (this._inputField.value) {
if (this._previousSearchValue !== this.searchQuery) {
if (this._delegate && typeof this._delegate.findBannerPerformSearch === "function")
this._delegate.findBannerPerformSearch(this, this.searchQuery);
} else if (this._searchKeyPressed && this._numberOfResults > 0) {
if (this._searchBackwards) {
if (this._delegate && typeof this._delegate.findBannerRevealPreviousResult === "function")
this._delegate.findBannerRevealPreviousResult(this);
} else {
if (this._delegate && typeof this._delegate.findBannerRevealNextResult === "function")
this._delegate.findBannerRevealNextResult(this);
}
}
} else {
this.numberOfResults = null;
if (this._delegate && typeof this._delegate.findBannerSearchCleared === "function")
this._delegate.findBannerSearchCleared(this);
}
this._previousSearchValue = this.searchQuery;
}
_previousResultButtonClicked(event)
{
if (this._delegate && typeof this._delegate.findBannerRevealPreviousResult === "function")
this._delegate.findBannerRevealPreviousResult(this);
}
_nextResultButtonClicked(event)
{
if (this._delegate && typeof this._delegate.findBannerRevealNextResult === "function")
this._delegate.findBannerRevealNextResult(this);
}
_doneButtonClicked(event)
{
this.hide();
}
};
WI.FindBanner.SupportsFindBannerStyleClassName = "supports-find-banner";
WI.FindBanner.ShowingFindBannerStyleClassName = "showing-find-banner";
WI.FindBanner.NoTransitionStyleClassName = "no-find-banner-transition";
WI.FindBanner.ShowingStyleClassName = "showing";
WI.FindBanner.SegmentGlyphStyleClassName = "glyph";
WI.FindBanner.Event = {
DidShow: "find-banner-did-show",
DidHide: "find-banner-did-hide"
};