--- /dev/null
+/*\r
+© Copyright 2008 Nokia Corporation. All rights reserved.\r
+\r
+IMPORTANT: The Nokia software ("WRTKit and Example Widget files") is supplied to you by Nokia\r
+Corporation (“Nokia”) in consideration of your agreement to the following terms. Your use, installation\r
+and/or redistribution of the WRTKit and Example Widget files constitutes acceptance of these terms. If\r
+you do not agree with these terms, please do not use, install, or redistribute the WRTKit and Example\r
+Widget files.\r
+\r
+In consideration of your agreement to abide by the following terms, and subject to these terms, Nokia\r
+grants you a personal, non-exclusive license, under Nokia’s copyrights in the WRTKit and Example\r
+Widget files, to use, reproduce, and redistribute the WRTKit and Example files, in text form (for HTML,\r
+CSS, or JavaScript files) or binary form (for associated images), for the sole purpose of creating S60\r
+Widgets.\r
+\r
+If you redistribute the WRTKit and Example files, you must retain this entire notice in all such\r
+redistributions of the WRTKit and Example files.\r
+\r
+You may not use the name, trademarks, service marks or logos of Nokia to endorse or promote products\r
+that include the WRTKit and Example files without the prior written explicit agreement with Nokia.\r
+Except as expressly stated in this notice, no other rights or licenses, express or implied, are granted by\r
+Nokia herein, including but not limited to any patent rights that may be infringed by your products that\r
+incorporate the WRTKit and Example files or by other works in which the WRTKit and Example files\r
+may be incorporated.\r
+\r
+The WRTKit and Example files are provided on an "AS IS" basis. NOKIA MAKES NO\r
+WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED\r
+WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A\r
+PARTICULAR PURPOSE, REGARDING THE EXAMPLES OR ITS USE AND OPERATION\r
+ALONE OR IN COMBINATION WITH YOUR PRODUCTS.\r
+\r
+IN NO EVENT SHALL NOKIA BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR\r
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
+INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, AND/OR\r
+DISTRIBUTION OF THE EXAMPLES, HOWEVER CAUSED AND WHETHER UNDER THEORY\r
+OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE,\r
+EVEN IF NOKIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
+\r
+*/\r
+\r
+///////////////////////////////////////////////////////////////////////////////\r
+// The ContentPanel class is a control for displaying content. The panel\r
+// can be expanded and collapsed.\r
+\r
+// Constructor.\r
+function ContentPanel(id, caption, content, foldable, expanded) {\r
+ if (id != UI_NO_INIT_ID) {\r
+ this.init(id, caption, content, foldable, expanded);\r
+ }\r
+}\r
+\r
+// ContentPanel inherits from Control.\r
+ContentPanel.prototype = new Control(UI_NO_INIT_ID);\r
+\r
+// The element hierarchy in a content panel is as follows:\r
+//\r
+// rootElement\r
+// assemblyElement\r
+// captionElement\r
+// foldToggleElement\r
+// captionLinkElement\r
+// captionTextElement\r
+// contentElement\r
+//\r
+// captionTextElement is moved under foldToggleElement if disabled\r
+// or captionElement if not foldable\r
+\r
+// The fold toggle element used for folding content panels.\r
+ContentPanel.prototype.foldToggleElement = null;\r
+\r
+// The caption link element of this control.\r
+ContentPanel.prototype.captionLinkElement = null;\r
+\r
+// The caption text element of this control.\r
+ContentPanel.prototype.captionTextElement = null;\r
+\r
+// The content element of this control.\r
+ContentPanel.prototype.contentElement = null;\r
+\r
+// The foldable state of this control.\r
+ContentPanel.prototype.foldable = false;\r
+\r
+// The expanded state of this control.\r
+ContentPanel.prototype.expanded = false;\r
+\r
+// Enabled status.\r
+ContentPanel.prototype.enabled = false;\r
+\r
+// Initializer - called from constructor.\r
+ContentPanel.prototype.init = function(id, caption, content, foldable, expanded) {\r
+ uiLogger.debug("ContentPanel.init(" + id + ", " + caption + ", " + content + ", " + foldable + ", " + expanded + ")");\r
+ \r
+ // call superclass initializer\r
+ Control.prototype.init.call(this, id, caption);\r
+ \r
+ // the control defaults to enabled\r
+ this.enabled = true;\r
+ \r
+ // create caption text element\r
+ this.captionTextElement = document.createElement("span");\r
+ \r
+ // disconnect the control element\r
+ this.assemblyElement.removeChild(this.controlElement);\r
+ \r
+ // set the foldable state\r
+ this.foldable = foldable;\r
+ \r
+ // is this a foldable content panel?\r
+ if (foldable) {\r
+ // create fold toggle element\r
+ this.foldToggleElement = document.createElement("div");\r
+ this.captionElement.appendChild(this.foldToggleElement);\r
+ \r
+ // create caption link and add to caption element\r
+ this.captionLinkElement = document.createElement("a");\r
+ this.captionLinkElement.href = "JavaScript:void(0)";\r
+ this.foldToggleElement.appendChild(this.captionLinkElement);\r
+ \r
+ // add the text element to the link element\r
+ this.captionLinkElement.appendChild(this.captionTextElement);\r
+ \r
+ // bind event listeners\r
+ var self = this;\r
+ this.captionLinkElement.addEventListener("focus", function() { self.focusStateChanged(true); }, false);\r
+ this.captionLinkElement.addEventListener("blur", function() { self.focusStateChanged(false); }, false);\r
+ this.foldToggleElement.addEventListener("mouseover", function() { self.hoverStateChanged(true); }, false);\r
+ this.foldToggleElement.addEventListener("mouseout", function() { self.hoverStateChanged(false); }, false);\r
+ this.foldToggleElement.addEventListener("mousedown", function(event) {\r
+ self.captionClicked();\r
+ event.stopPropagation();\r
+ event.preventDefault();\r
+ }, true);\r
+ this.foldToggleElement.addEventListener("keydown", function(event) {\r
+ // center and enter trigger the action\r
+ if (event.keyCode == 0 || event.keyCode == 13) {\r
+ self.captionClicked();\r
+ event.stopPropagation();\r
+ event.preventDefault();\r
+ }\r
+ }, true);\r
+ \r
+ this.expanded = expanded;\r
+ } else {\r
+ // since this is not a foldable panel the content should be expanded\r
+ this.expanded = true;\r
+ \r
+ // add the text element directly to the caption element\r
+ this.captionElement.appendChild(this.captionTextElement);\r
+ }\r
+ \r
+ // create content element\r
+ this.contentElement = document.createElement("div");\r
+ this.contentElement.style.display = this.expanded ? "block" : "none";\r
+ this.rootElement.appendChild(this.contentElement);\r
+ \r
+ // set caption, content and expanded state\r
+ this.setCaption(caption);\r
+ this.setContent(content);\r
+ \r
+ // update style\r
+ this.updateStyleFromState();\r
+}\r
+\r
+// Returns the enabled state.\r
+ContentPanel.prototype.isEnabled = function() {\r
+ return this.enabled;\r
+}\r
+\r
+// Sets the enabled state.\r
+ContentPanel.prototype.setEnabled = function(enabled) {\r
+ uiLogger.debug("ContentPanel.setEnabled(" + enabled + ")");\r
+ \r
+ // bail out early if there is no change in state\r
+ if (this.enabled == enabled) {\r
+ return;\r
+ }\r
+ \r
+ // set the enabled state\r
+ this.enabled = enabled;\r
+ \r
+ // is this a foldable content?\r
+ if (this.foldable) {\r
+ // the caption link must be disabled\r
+ if (this.enabled) {\r
+ // diabled -> enabled\r
+ this.foldToggleElement.removeChild(this.captionTextElement);\r
+ this.foldToggleElement.appendChild(this.captionLinkElement);\r
+ this.captionLinkElement.appendChild(this.captionTextElement);\r
+ } else {\r
+ // enabled -> diabled\r
+ this.captionLinkElement.removeChild(this.captionTextElement);\r
+ this.foldToggleElement.removeChild(this.captionLinkElement);\r
+ this.foldToggleElement.appendChild(this.captionTextElement);\r
+ }\r
+ }\r
+ \r
+ // update style\r
+ this.updateStyleFromState(); \r
+}\r
+\r
+// Returns the caption; null if none.\r
+ContentPanel.prototype.getCaption = function() {\r
+ return this.caption;\r
+}\r
+\r
+// Sets the caption; null if none.\r
+ContentPanel.prototype.setCaption = function(caption) {\r
+ // bail out if the caption text element has not been created\r
+ // this is to prevent the superclass init calling this before\r
+ // we've initialized our custom caption\r
+ if (this.captionTextElement == null)\r
+ return;\r
+ \r
+ uiLogger.debug("ContentPanel.setCaption(" + caption + ")");\r
+ \r
+ // set the display style\r
+ this.captionElement.style.display = (caption == null) ? "none" : "block";\r
+ \r
+ // set the caption\r
+ this.caption = caption;\r
+ this.captionTextElement.innerHTML = (caption == null) ? "" : caption;\r
+ \r
+ // update style\r
+ this.updateStyleFromState();\r
+}\r
+\r
+// Returns the content.\r
+ContentPanel.prototype.getContent = function() {\r
+ return this.contentElement.innerHTML;\r
+}\r
+\r
+// Sets the content.\r
+ContentPanel.prototype.setContent = function(content) {\r
+ uiLogger.debug("ContentPanel.setContent(" + content + ")");\r
+ this.contentElement.innerHTML = (content == null) ? "" : content;\r
+}\r
+\r
+// Returns the focusable state for the control.\r
+ContentPanel.prototype.isFocusable = function() {\r
+ // a content panel is focusable if it's foldable and enabled\r
+ return (this.foldable && this.enabled);\r
+}\r
+\r
+// Sets the focused state for the control.\r
+// Note: This may not always succeed.\r
+ContentPanel.prototype.setFocused = function(focused) {\r
+ uiLogger.debug("ContentPanel.setFocused(" + focused + ")");\r
+ if (this.enabled && this.foldable) {\r
+ if (focused) {\r
+ this.captionLinkElement.focus();\r
+ } else {\r
+ this.captionLinkElement.blur();\r
+ }\r
+ }\r
+ // note that this.focused gets set as a result of focusStateChanged() being called\r
+ // rather than setting it explicitly here\r
+}\r
+\r
+// Returns the expanded state.\r
+ContentPanel.prototype.isExpanded = function() {\r
+ return this.expanded;\r
+}\r
+\r
+// Sets the expanded state.\r
+ContentPanel.prototype.setExpanded = function(expanded) {\r
+ uiLogger.debug("ContentPanel.setExpanded(" + expanded + ")");\r
+ \r
+ // make sure only foldable content panels are folded\r
+ if (!this.foldable) {\r
+ uiLogger.warn("Cannot fold a non-foldable content panel!");\r
+ return;\r
+ }\r
+ \r
+ this.expanded = expanded;\r
+ if (this.expanded) {\r
+ // expand\r
+ this.contentElement.style.display = "block";\r
+ \r
+ // find out control top and bottom\r
+ var controlTop = this.getAbsoluteTop(this.rootElement);\r
+ var controlHeight = this.rootElement.clientHeight;\r
+ var controlBottom = controlTop + controlHeight;\r
+ \r
+ // find out the viewport top and bottom\r
+ var viewportTop = window.scrollY;\r
+ var viewportHeight = window.innerHeight;\r
+ var viewportBottom = viewportTop + viewportHeight;\r
+ \r
+ // make sure the control is positioned so that it can be seen\r
+ var overflow = controlBottom - viewportBottom;\r
+ if (overflow > 0) {\r
+ // there's overflow so we need to scroll to get the control\r
+ // into the viewport - however not so far that the control\r
+ // goes past the viewport top.\r
+ var distanceToTop = controlTop - viewportTop;\r
+ var scrollAmount = Math.min(overflow, distanceToTop);\r
+ window.scrollBy(0, scrollAmount);\r
+ }\r
+ } else {\r
+ // collapse\r
+ this.contentElement.style.display = "none";\r
+ }\r
+ \r
+ // notify event listeners\r
+ this.fireEvent(this.createEvent("ExpandedStateChanged", this.expanded));\r
+ \r
+ // update the style\r
+ this.updateStyleFromState();\r
+}\r
+\r
+// Returns the absolute position (y) of the given element.\r
+ContentPanel.prototype.getAbsoluteTop = function(element) {\r
+ // traverse from element to root and add top-offset\r
+ // for each element we find on the way\r
+ var absTop = 0;\r
+ while (element != null) {\r
+ absTop += element.offsetTop;\r
+ element = element.offsetParent;\r
+ }\r
+ return absTop;\r
+}\r
+\r
+// Callback for when the caption is clicked.\r
+ContentPanel.prototype.captionClicked = function() {\r
+ uiLogger.debug("ContentPanel.captionClicked()");\r
+ \r
+ // if we're enabled then a click results toggling the expanded state\r
+ if (this.enabled) {\r
+ // focus when clicked\r
+ if (!this.focused) {\r
+ this.captionLinkElement.focus();\r
+ }\r
+ \r
+ // toggle the expanded state\r
+ this.setExpanded(!this.expanded);\r
+ }\r
+}\r
+\r
+// Updates the style of the control to reflects the state of the control.\r
+ContentPanel.prototype.updateStyleFromState = function() {\r
+ uiLogger.debug("ContentPanel.updateStyleFromState()");\r
+\r
+ // determine the state name\r
+ var stateName = this.getStyleStateName();\r
+ \r
+ // set root element class name\r
+ this.setClassName(this.rootElement, "Control");\r
+\r
+ // set the control assembly class names\r
+ this.setClassName(this.assemblyElement, "ControlAssembly ControlAssembly" + stateName);\r
+ \r
+ if (this.foldable) {\r
+ // foldable content panel\r
+ this.setClassName(this.captionElement, "ContentPanelCaptionFoldable");\r
+ this.setClassName(this.foldToggleElement, "ContentPanelFoldToggle ContentPanelFoldToggle" + (this.expanded ? "Expanded" : "Collapsed"));\r
+ } else {\r
+ // non-folding\r
+ this.setClassName(this.captionElement, "ContentPanelCaptionNonFoldable");\r
+ }\r
+ \r
+ // set the content caption text class names\r
+ this.setClassName(this.captionTextElement, "ContentPanelCaptionText ContentPanelCaptionText" + stateName);\r
+ \r
+ // set the content element class names\r
+ this.setClassName(this.contentElement, "ContentPanelContent");\r
+}\r
projects / ptas / blobdiff