dhtml.js

数据仓库建设参考

//Inputs:  vObject - object name or object reference
//Outputs: object reference.
//*********************************************************************************************

    if (typeof vObject == 'string') {
        if (bIsIE4)
            return eval("document.all." + vObject);
        else if (bIsW3C)
            return document.getElementsByName(vObject);
        else
            if (document.layers[vObject])
                return document.layers[vObject];
            else
                return eval("document." + vObject);
    }
    else {
        return vObject;
    }
}

function getObjectsbyTag(vObject) {
//*********************************************************************************************
//Purpose: Return an object reference
//Inputs:  vObject - object name or object reference
//Outputs: object reference.
//*********************************************************************************************

    if (typeof vObject == 'string') {
        if (bIsIE4)
                return eval("document.all.tags('" + vObject+ "')");
        else if (bIsW3C)
            return document.getElementsByTagName(vObject);
    }
    else {
        return vObject;
    }
}

function getObjStyle(vObject) {
//*********************************************************************************************
//Purpose: Return a reference to an objects style property
//Inputs:  vObject - object name or reference
//Outputs: style reference.
//*********************************************************************************************
    if (bIsIE4 || bIsW3C)
        return getObj(vObject).style;
    else
        return getObj(vObject);
}

function getClientWidth() {
//*********************************************************************************************
//Purpose: Return the ClientWidth
//Inputs:  None.
//Outputs: integer.
//*********************************************************************************************
    if (bIsDHTML) {
        if (bIsIE4) {
            return document.body.clientWidth;
        } // else is NN4 && W3C
        return innerWidth;
    }
    return 0;
}

function getClientHeight() {
//*********************************************************************************************
//Purpose: Return the ClientHeight
//Inputs:  None.
//Outputs: integer.
//*********************************************************************************************
    if (bIsDHTML) {
        if (bIsIE4) {
            return document.body.clientHeight;
        } // else bIsNN4 && W3C
        return innerHeight;
    }
    return 0;
}

function getObjWidth(vObject) {
//*********************************************************************************************
//Purpose: Return the computed width of an object
//Inputs:  Object name or object reference..
//Outputs: integer.
//*********************************************************************************************
    if (bIsDHTML) {
        var obj = getObj(vObject);
        if (bIsIE4) {
            return obj.offsetWidth;
        } else if (bIsW3C) {
            return parseInt(document.defaultView.getComputedStyle(obj, "").getPropertyValue("width"));
        } else  {   // else bIsNN4
            return obj.clip.width;
        }
    }
    return 0;
}

function getObjHeight(vObject) {
//*********************************************************************************************
//Purpose: Return the computed height of an object
//Inputs:  Object name or object reference..
//Outputs: integer.
//*********************************************************************************************
    if (bIsDHTML) {
        var obj = getObj(vObject);
        if (bIsIE4) {
            return obj.offsetHeight;
        } else if (bIsW3C) {
            return parseInt(document.defaultView.getComputedStyle(obj, "").getPropertyValue("height"));
        } else {    // else is NN4
            return obj.clip.height;
        }
    }
    return 0;
}

function getObjTop(vObject) {
//*********************************************************************************************
//Purpose: Return the computed top value of an object
//Inputs:  Object name or object reference.
//Outputs: integer.
//*********************************************************************************************
    if (bIsDHTML) {
        var obj = getObj(vObject);
        if (bIsIE4) {
            return obj.style.pixelTop;
        } else if (bIsW3C) {
            return parseInt(document.defaultView.getComputedStyle(obj, "").getPropertyValue("top"));
        } else {            // else is NN4
            return obj.top;
        }
    }
    return 0;
}

function getObjSumTop(vObject) {
//*********************************************************************************************
//Purpose: Return the computed top value of an object, regardless of
//              element containers.  NOTE: This is really only needed for
//              IE as N6 does this automatically and NN4X doesn't do it at all.
//Inputs:  Object name or object reference.
//Outputs: integer.
//*********************************************************************************************
    if (bIsDHTML) {
        var obj = getObj(vObject);
        var lTop = 0;
        if (bIsIE4 || bIsW3C) {
            for (var i=0; (obj); i++) {
                lTop += obj.offsetTop;
                obj = obj.offsetParent;
            }
            return lTop;
        } else {
            return getObjTop(vObject);
        }
    }
    return 0;
}

function getObjLeft(vObject) {
//*********************************************************************************************
//Purpose: Return the computed left value of an object
//Inputs:  Object name or object reference.
//Outputs: integer.
//*********************************************************************************************
    if (bIsDHTML) {
        var obj = getObj(vObject);
        if (bIsIE4) {
            return obj.style.pixelLeft;
        } else if (bIsW3C) {
            return parseInt(document.defaultView.getComputedStyle(obj, "").getPropertyValue("left"));
        } else {    // else is NN4
            return obj.left;
        }
    }
    return 0;
}

function getObjSumLeft(vObject) {
//*********************************************************************************************
//Purpose: Return the computed left value of an object, regardless of
//              element containers.  NOTE: This is really only needed for
//              IE as N6 does this automatically and NN4X doesn't do it at all.
//Inputs:  Object name or object reference.
//Outputs: integer.
//*********************************************************************************************
    if (bIsDHTML) {
        var obj = getObj(vObject);
        var lLeft = 0;
        if (bIsIE4 || bIsW3C) {
            for (var i=0; (obj); i++) {
                lLeft += obj.offsetLeft;
                obj = obj.offsetParent;
            }
            return lLeft;
        } else {    // else is NN4
            return getObjLeft(vObject);
        }
    }
    return 0;
}

function clearObjHeight(vObject) {
    if (bIsDHTML) {
		var obj = getObj(vObject);
		if (bIsIE4) {
		    obj.style.height = '';
		} else if (bIsW3C) {
		    obj.style.height = '';
		} else { // is NN4
			if (document.layers[obj.id])
		        document.layers[obj.id].clip.height = '';
			else
				obj.clip.height = '';
		}
    }
}

function clearObjWidth(vObject) {
    if (bIsDHTML) {
		var obj = getObj(vObject);
		if (bIsIE4) {
		    obj.style.width = '';
		} else if (bIsW3C) {
		    obj.style.width = '';
		} else { // is NN4
			if (document.layers[obj.id])
		        document.layers[obj.id].clip.width = '';
			else
				obj.clip.width = '';
		}
    }
}

function setObjHeight(vObject, iHeight) {
//*********************************************************************************************
//Purpose: Set the height of an object
//Inputs:  vObject - Object name or object reference, iNewHeight - the new height for this object..
//Outputs: None.
//*********************************************************************************************
    if (bIsDHTML) {
        var obj = getObj(vObject);
        var iNewHeight = parseInt(iHeight);
        if (!isNaN(iNewHeight)) {
            if (bIsIE4) {
                obj.style.height= iNewHeight;
            } else if (bIsW3C) {
                obj.style.height = iNewHeight + "px";
            } else { // is NN4
                if (document.layers[obj.id])
                    document.layers[obj.id].clip.height = iNewHeight;
                else
                    obj.clip.height = iNewHeight;
            }
        }
    }
}

function setObjWidth(vObject, iWidth) {
//*********************************************************************************************
//Purpose: Set the width of an object
//Inputs:  vObject - Object name or object reference, iNewWidth - the new width for this object..
//Outputs: None.
//*********************************************************************************************
    if (bIsDHTML) {
        var obj = getObj(vObject)
        var iNewWidth = parseInt(iWidth);
        if (!isNaN(iNewWidth)) {
            if (bIsIE4) {
                obj.style.width = iNewWidth;
            } else if (bIsW3C) {
                obj.style.width = iNewWidth + "px";
            } else { // is NN4
                if (document.layers[obj.id])
                    document.layers[obj.id].clip.width = iNewWidth;
                else
                    obj.clip.width = iNewWidth;
            }
        }
    }
}


function moveObjTo(vObject, iX, iY) {
//*********************************************************************************************
//Purpose: Move an object to given coordinates
//Inputs:  vObject - Object name or object reference, x - the left coordinate, y - the top coordinate.
//Outputs: None.
//*********************************************************************************************
    if (bIsDHTML) {
        var obj = getObj(vObject);
        var x = parseInt(iX);
        var y = parseInt(iY);
        if (!isNaN(x) && !isNaN(y)) {
            if (bIsIE4 || bIsW3C) {
                obj.style.left = x + "px";
                obj.style.top = y + "px";
            } else {
                document.layers[obj.id].left = x;
                document.layers[obj.id].top = y;
            }
        }
    }
}

function hideObj(vObject) {
//*********************************************************************************************
//Purpose: Set an objects visibility property to hidden.
//Inputs:  vObject - Object name or object reference
//Outputs: None.
//*********************************************************************************************
    if (bIsDHTML) {
        var obj = getObj(vObject);
        if (obj) {
            if (bIsIE4 || bIsW3C) {
                obj.style.visibility = "hidden";
            } else {
                document.layers[obj.id].visibility = "hide";
            }
        }
    }
}

function showObj(vObject) {
//*********************************************************************************************
//Purpose: Set an objects visibility property to visible.
//Inputs:  vObject - Object name or object reference
//Outputs: None.
//*********************************************************************************************
    if (bIsDHTML) {
        var obj = getObj(vObject);
        if (bIsIE4 || bIsW3C) {
            obj.style.visibility = "visible";
        } else {
            document.layers[obj.id].visibility = "show";
        }
    }
}

function displayObj(vObject) {
//*********************************************************************************************
//Purpose: Force a named object into the document flow (does not work in NN4)
//Inputs:  vObject - Object name or object reference
//Outputs: None.
//*********************************************************************************************
    if (bIsDHTML) {
        if (bIsIE4 || bIsW3C) {
            obj = getObj(vObject);
            obj.style.display = "block";
        }
        showObj(vObject);
    }
}

function removeObj(vObject) {
//*********************************************************************************************
//Purpose: Remove a named object from the document flow (does not work in NN4)
//Inputs:  vObject - Object name or object reference
//Outputs: None.
//*********************************************************************************************
    if (bIsDHTML) {
        if (bIsIE4 || bIsW3C) {
            obj = getObj(vObject);
            obj.style.display = "none";
        }
        hideObj(vObject);
    }
}

function getColor(vObject) {
//*********************************************************************************************
//Purpose: Return the foreground color of an object.
//Inputs:  vObject - Object name or object reference.
//Outputs: String - the objects foreground color
//*********************************************************************************************
    if (bIsDHTML) {
        var obj = getObj(vObject);
        if (bIsIE4)
            return obj.style.color;
        else if (bIsW3C)
            return obj.style.color;
        else
            return '';
    }
}

function setColor(vObject, sColor) {
//*********************************************************************************************
//Purpose: Set the foreground color of an object.
//Inputs:  vObject - Object name or object reference, sColor - New color for the object.
//Outputs: None.
//*********************************************************************************************
    if (bIsDHTML) {
        var obj = getObj(vObject);
        if (bIsIE4)
            obj.style.color = sColor;
        else if (bIsW3C)
            obj.style.color = sColor;
    }
}

function parseHex(iDecimalValue) {
//*********************************************************************************************
//Purpose: Convert a decimal value to hex
//Inputs:  iDecimalValue - the decimal value for conversion..
//Outputs: Return the hex value.
//*********************************************************************************************
    var aHexadecimalValues = ['0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'];
    if (iDecimalValue > 16)
        return parseHex(Math.floor(iDecimalValue / 16)) + '' + aHexadecimalValues[iDecimalValue % 16];
    else