+++ /dev/null
-/* ************************************************************************
-
- qooxdoo - the new era of web development
-
- http://qooxdoo.org
-
- Copyright:
- 2007 Visionet GmbH, http://www.visionet.de
-
- License:
- LGPL: http://www.gnu.org/licenses/lgpl.html
- EPL: http://www.eclipse.org/org/documents/epl-v10.php
- See the LICENSE file in the project's top-level directory for details.
-
- Authors:
- * Dietrich Streifert (level420)
-
-************************************************************************ */
-
-/* ************************************************************************
-
-#module(uploadwidget_ui_io)
-
-************************************************************************ */
-
-/**
- * An upload button which allows selection of a file through the browser fileselector.
- *
- */
-qx.Class.define("uploadwidget.UploadButton",
-{
- extend : qx.ui.form.Button,
-
- /*
- *****************************************************************************
- CONSTRUCTOR
- *****************************************************************************
- */
-
- construct : function(name, text, icon, iconWidth, iconHeight, flash)
- {
- this.base(arguments, text, icon, iconWidth, iconHeight, flash);
- // This state is needed for proper button CSS themeing
- this.addState( "rwt_PUSH" );
- this.setAppearance( "button" );
- if(name) {
- this.setName(name);
- }
-
- },
-
-
- /*
- *****************************************************************************
- PROPERTIES
- *****************************************************************************
- */
-
- properties :
- {
- /**
- * The name which is assigned to the form
- */
- name :
- {
- check : "String",
- init : "",
- apply : "_applyName"
- },
-
- /**
- * The value which is assigned to the form
- */
- value :
- {
- check : "String",
- init : "",
- apply : "_applyValue",
- event : "changeValue"
- }
- },
-
- /*
- *****************************************************************************
- MEMBERS
- *****************************************************************************
- */
-
- members :
- {
- /*
- ---------------------------------------------------------------------------
- MODIFIERS
- ---------------------------------------------------------------------------
- */
-
- /**
- * after the button element is present create the input file tag
- *
- * @param value {Object} new dom element
- * @param old {Object} old one
- * @type member
- * @return {void}
- */
- _applyElement : function (value, old)
- {
- this.base(arguments, value, old);
- this._createInputFileTag(value);
- },
-
-
- /**
- * Modifies the value property of the hidden input type=file element.
- * Only an empty string is accepted for clearing out the value of the
- * selected file.
- *
- * As a special case for IE the hidden input element is recreated because
- * setting the value is generally not allowed in IE.
- *
- * @type member
- * @param value {var} Current value
- * @param old {var} Previous value
- */
- _applyValue : function(value, old) {
- if(this._valueInputOnChange) {
- delete this._valueInputOnChange;
- }
- else {
- if (!value || value == '') {
- if (qx.core.Variant.isSet("qx.client", "mshtml")) {
- this._createInputFileTag(this.getElement());
- }
- else {
- this._input.value = '';
- }
- }
- else {
- throw new Error("Unable to set value to non null or non empty!");
- }
- }
- },
-
-
- /**
- * Modifies the name property of the hidden input type=file element.
- *
- * @type member
- * @param value {var} Current value
- * @param old {var} Previous value
- */
- _applyName : function(value, old) {
- if(this._input) {
- this._input.name = propValue;
- }
- },
-
-
- /**
- * Apply the enabled property.
- *
- * @type member
- * @param value {var} Current value
- * @param old {var} Previous value
- */
- _applyEnabled : function(value, old)
- {
- if (this._input) {
- this._input.disabled = value===false;
- }
-
- return this.base(arguments, value, old);
- },
-
- /*
- ---------------------------------------------------------------------------
- EVENT-HANDLER
- ---------------------------------------------------------------------------
- */
-
-
- /**
- * Create an input type=file element, and set the onchange event handler which
- * fires if the user selected a file with the fileselector.
- *
- * @type member
- * @param e {Event|null} appear event
- * @return {void}
- */
- _createInputFileTag : function(elem)
- {
- if(this._input)
- {
- this._input.name += "_tmp_";
- if (this._input.parentNode) {
- this._input.parentNode.removeChild(this._input);
- }
- this._input = null;
- }
-
- var input = this._input = document.createElement("input");
- input.type = "file";
- input.name = this.getName();
- input.size = "1"; // make the text area as small as possible
- input.style.position = "absolute";
- input.style.top = "-2px"; // make sure to cover the whole area
- input.style.left = "-100px";
- input.style.height = "27px";
- input.style.fontSize = "35px"; // previous value 60 was to small for some systems (depends on used font-family)
- var clipRight = 300 + this.getWidthValue(); //use variable to avoid string concatenation instead of adding
- input.style.clip = "rect(auto, " + clipRight + "px, auto, 100px)";
- input.style.zIndex = "100";
- input.style.cursor = "pointer";
- input.style.filter = "alpha(opacity=0)";
- input.style.opacity = "0";
- input.style.MozOutlinestyle = "none";
- input.style.hidefocus = "true";
- input.disabled = this.getEnabled() === false;
-
- var _this = this;
- input.onchange = function(ev) { return _this._onChange(ev); };
-
- elem.appendChild(input);
- },
-
-
- /**
- * Handle the onchange event of the hidden input type=file element
- *
- * @type member
- * @param e {Event} TODOC
- * @return {void}
- */
- _onChange : function(e) {
- // IE8 returns sth like "C:\fakepath\..." which should not be displayed.
- // Cut off everyhting before the "\", like Firefox does automatically, to have
- // an identical behaviour in all browsers.
- var inputStr = this._input.value;
- if (inputStr) {
- if (inputStr.indexOf("\\") != -1) {
- inputStr = inputStr.substr(inputStr.lastIndexOf("\\") + 1);
- } else if (inputStr.indexOf("/") != -1) {
- inputStr = inputStr.substr(inputStr.lastIndexOf("/") + 1);
- }
-
- this._valueInputOnChange = true;
- this.setValue(inputStr);
- }
- }
-
- },
-
-
- /*
- *****************************************************************************
- DESTRUCTOR
- *****************************************************************************
- */
-
- destruct : function()
- {
- if(this._input) {
- if (this._input.parentNode) {
- this._input.parentNode.removeChild(this._input);
- }
- this._input.onchange = null;
- this._input = null;
- }
- }
-
-});
projects / lgpl / argeo-commons.git / blobdiff