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- /*
- * Copyright 2000-2018 Vaadin Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-
- package com.vaadin.v7.client.ui;
-
- import com.google.gwt.dom.client.Element;
- import com.google.gwt.dom.client.Style.Unit;
- import com.google.gwt.user.client.DOM;
- import com.google.gwt.user.client.ui.HasEnabled;
- import com.google.gwt.user.client.ui.Widget;
- import com.vaadin.client.StyleConstants;
-
- /**
- * Widget for showing the current progress of a long running task.
- * <p>
- * The default mode is to show the current progress internally represented by a
- * floating point value between 0 and 1 (inclusive). The progress bar can also
- * be in an indeterminate mode showing an animation indicating that the task is
- * running but without providing any information about the current progress.
- *
- * @since 7.1
- * @author Vaadin Ltd
- */
- public class VProgressBar extends Widget implements HasEnabled {
-
- public static final String PRIMARY_STYLE_NAME = "v-progressbar";
-
- Element wrapper = DOM.createDiv();
- Element indicator = DOM.createDiv();
-
- private boolean indeterminate = false;
- private float state = 0.0f;
- private boolean enabled;
-
- public VProgressBar() {
- setElement(DOM.createDiv());
- getElement().appendChild(wrapper);
- wrapper.appendChild(indicator);
-
- setStylePrimaryName(PRIMARY_STYLE_NAME);
- }
-
- /*
- * (non-Javadoc)
- *
- * @see
- * com.google.gwt.user.client.ui.UIObject#setStylePrimaryName(java.lang.
- * String)
- */
- @Override
- public void setStylePrimaryName(String style) {
- super.setStylePrimaryName(style);
- indicator.setClassName(getStylePrimaryName() + "-indicator");
- wrapper.setClassName(getStylePrimaryName() + "-wrapper");
-
- }
-
- public void setIndeterminate(boolean indeterminate) {
- this.indeterminate = indeterminate;
- setStyleName(getStylePrimaryName() + "-indeterminate", indeterminate);
- }
-
- public void setState(float state) {
- final int size = Math.round(100 * state);
- indicator.getStyle().setWidth(size, Unit.PCT);
- }
-
- public boolean isIndeterminate() {
- return indeterminate;
- }
-
- public float getState() {
- return state;
- }
-
- @Override
- public boolean isEnabled() {
- return enabled;
- }
-
- @Override
- public void setEnabled(boolean enabled) {
- if (this.enabled != enabled) {
- this.enabled = enabled;
- setStyleName(StyleConstants.DISABLED, !enabled);
- }
- }
- }
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