SearchBox.qml Example File

 /****************************************************************************
 **
 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: http://www.qt-project.org/
 **
 ** This file is part of the examples of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * 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.
 **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
 **     the names of its contributors may be used to endorse or promote
 **     products derived from this software without specific prior written
 **     permission.
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
 ** OWNER OR 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."
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 import QtQuick 2.0
 import QtLocation 5.0
 import QtLocation.examples 5.0

 Rectangle {
     id: searchRectangle

     property bool suggestionsEnabled: true
     property int expandedHeight: childrenRect.height
     readonly property int baseHeight: searchBox.height + 20

     color: "#ECECEC"

     height: baseHeight
     Behavior on height {
         NumberAnimation { duration: 250 }
     }

     clip: true

     TextWithLabel {
         id: searchBox
         label: "Search"
         text: "sushi"

         anchors.left: parent.left
         anchors.leftMargin: 10
         anchors.right: row.left
         anchors.rightMargin: 10
         anchors.top: parent.top
         anchors.topMargin: 10

         busy: placeSearchModel.status === PlaceSearchModel.Loading

         onTextChanged: {
             if (searchRectangle.suggestionsEnabled) {
                 if (text.length >= 3) {
                     if (suggestionModel != null) {
                         suggestionModel.searchTerm = text;
                         suggestionModel.update();
                     }
                 } else {
                     searchRectangle.state = "";
                 }
             }
         }
     }

     Row {
         id: row

         anchors.right: parent.right
         anchors.rightMargin: 10
         anchors.top: parent.top
         anchors.topMargin: 10
         spacing: 10

         IconButton {
             id: searchButton

             anchors.verticalCenter:  parent.verticalCenter

             source: "../../resources/search.png"
             pressedSource: "../../resources/search_pressed.png"

             onClicked: {
                 placeSearchModel.searchForText(searchBox.text);
                 searchRectangle.state = "";
             }
         }

         IconButton {
             id: categoryButton

             source: "../../resources/categories.png"
             pressedSource: "../../resources/categories_pressed.png"

             onClicked: {
                 if (searchRectangle.state !== "CategoriesShown")
                     searchRectangle.state = "CategoriesShown";
                 else if (suggestionView.count > 0)
                     searchRectangle.state = "SuggestionsShown";
                 else
                     searchRectangle.state = "";
             }
         }
     }

     CategoryView {
         id: categoryView

         anchors.top: row.bottom
         height: expandedHeight - y
         visible: false
         spacing: 5

         onCategoryClicked: {
             placeSearchModel.searchForCategory(category);
             searchRectangle.state = "";
         }

         onEditClicked: {
             editCategoryDialog.category = category;
             page.state = "EditCategory";
             searchRectangle.state = "";
         }
     }

     BusyIndicator {
         id: busy

         visible: false

         anchors.centerIn: parent
     }

     Text {
         id: noCategories

         anchors.centerIn: parent
         text: qsTr("No categories")
         visible: false
     }

     ListView {
         id: suggestionView

         anchors.top: row.bottom
         anchors.topMargin: 10
         anchors.left: parent.left
         anchors.leftMargin: 10
         anchors.right: parent.right
         anchors.rightMargin: 10
         height: 450
         visible: false

         clip: true
         snapMode: ListView.SnapToItem

         model: suggestionModel
         delegate: Text {
             text: suggestion

             width: parent.width

             MouseArea {
                 anchors.fill: parent
                 onClicked: {
                     suggestionsEnabled = false;
                     searchBox.text = suggestion;
                     suggestionsEnabled = true;
                     placeSearchModel.searchForText(suggestion);
                     searchRectangle.state = "";
                 }
             }
         }
     }

     PlaceSearchSuggestionModel {
         id: suggestionModel
         plugin: placesPlugin
         searchArea: plugin.name === "nokia_places_jsondb" ? null : placeSearchModel.searchArea

         onStatusChanged: {
             if (status == PlaceSearchSuggestionModel.Ready)
                 searchRectangle.state = "SuggestionsShown";
         }
     }

     states: [
         State {
             name: "CategoriesShown"
             PropertyChanges {
                 target: searchRectangle
                 height: expandedHeight
             }
             PropertyChanges {
                 target: busy
                 visible: categoryModel.status === CategoryModel.Updating
             }
             PropertyChanges {
                 target: noCategories
                 visible: categoryView.count == 0 && !busy.visible
             }
             PropertyChanges {
                 target: categoryView
                 visible: true && !busy.visible
             }
         },
         State {
             name: "SuggestionsShown"
             PropertyChanges {
                 target: searchRectangle
                 height: childrenRect.height + 20
             }
             PropertyChanges {
                 target: suggestionView
                 visible: true
             }
         }
     ]
 }